Before another tubulin molecule is attached, gtp hydrolysis on a tubulin molecule at a microtubule protofilament's plus end happens. This statement is false.
Microtubules are cylindrical structures composed of tubulin protein subunits that play crucial roles in cell division, intracellular transport, and cell shape maintenance. Each tubulin subunit consists of two main domains: a globular domain that binds to GTP, and a flexible C-terminal tail that interacts with neighboring tubulin subunits to form the protofilament structure of the microtubule.
During microtubule assembly, tubulin subunits add to the plus end of the microtubule in a process that involves GTP hydrolysis. When a tubulin subunit is incorporated into the growing microtubule, the GTP in its globular domain is usually hydrolyzed to GDP shortly thereafter. This hydrolysis induces a conformational change in the tubulin subunit, which weakens its interaction with neighboring subunits and makes it more likely to dissociate from the microtubule.
If GTP hydrolysis occurs on a tubulin molecule at the plus end of a microtubule protofilament before another tubulin molecule is added, it can lead to a destabilization of the microtubule.
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because the foods eaten by animals are often composed largely of macromolecules, animals need to have mechanisms for . group of answer choices A. dehydration synthesis B. regurgitation C. demineralization D. enzymatic E. hydrolysis
The foods eaten by animals are often composed largely of macromolecules, animals need to have mechanisms for: hydrolysis. The correct option is E.
Animals need to have mechanisms for hydrolysis because the foods they consume are often composed of macromolecules such as carbohydrates, proteins, and fats. Hydrolysis is a chemical reaction that breaks down complex molecules into simpler units by adding water molecules. In the context of digestion, hydrolysis plays a crucial role in the breakdown of macromolecules into their constituent monomers, which can be absorbed and utilized by the body.
Carbohydrates are hydrolyzed into simple sugars, proteins are hydrolyzed into amino acids, and fats are hydrolyzed into fatty acids and glycerol. These hydrolytic reactions are catalyzed by enzymes, which are specialized proteins that speed up the chemical reactions in the body. Enzymes facilitate the hydrolysis of macromolecules, allowing animals to extract and utilize the necessary nutrients from their food.
Therefore, hydrolysis is the mechanism by which animals break down complex macromolecules into smaller, more manageable components that can be absorbed and used for energy, growth, and other physiological processes.
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Drag each phrase to the appropriate bin depending on whether it describes the synthesis of the leading strand, the synthesis of the lagging strand, or the synthesis of both strands.Because DNA polymerase III can only add nucleotides to the 3' end of a new DNA strand and because the two parental DNA strands are antiparallel, synthesis of the leading strand differs from synthesis of the lagging strand.
The leading strand is made continuously from a single RNA primer located at the origin of replication. DNA pol III adds nucleotides to the 3' end of the leading strand so that it elongates toward the replication fork.
In contrast, the lagging strand is made in segments, each with its own RNA primer. DNA pol III adds nucleotides to the 3' end of the lagging strand so that it elongates away from the replication fork.
In the image below, you can see that on one side of the origin of replication, a new strand is synthesized as the leading strand, and on the other side of the origin of replication, that same new strand is synthesized as the lagging strand. The leading and lagging strands built on the same template strand will eventually be joined, forming a continuous daughter strand.
Since you don't provide the phrase, it more or less.
What is DNA polymerase III?The growing strand's 3' end is where nucleotides are added to create the leading strand, while the 5' end is where nucleotides are added to create the lagging strand. The leading strand is created in brief segments that are then joined together, whereas the lagging strand is created constantly.
Leading Strand: Continuously created; just one primer required; daughter strand extends toward replication fork B; Lagging Strand: Segmented made; multiple primer required; daughter strand extends away from replication fork C. Both strands - 5 to 3 synthesized
The lagging strand is the one that starts to open in the 3' to 5' direction toward the replication fork.
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. During which part of the cell cycle does the cell divide?
Answer:
The part of the cell cycle in which the cell divides is called mitosis.
Explanation:
Mitosis, or M phase of the cell cycle, is where the somatic cell divides to obtain two daughter cells identical to the original. Mitosis is divided into four phases, known as prophase, metaphase, anaphase and telophase.
Literally, cell division into two daughter cells or cytokinesis occurs in the last phase of mitosis, telophase, since in the other phases cell nucleus division and chromosome distribution occurs.
The other major part of the cell cycle is known as the interphase, in which the cell prepares for division in the M phase.
2. according to the video from seeker, 'how close are we to resurrecting extinct species?' what event occurred at approximately the same time that the mammoths went extinct? group of answer choices
The event that occurred at approximately the same time as the mammoths' extinction was the global climate change known as the Younger Dryas. This climate change had a significant impact on the environment and is considered one of the factors that led to the extinction of mammoths.
According to the video from Seeker on "How Close Are We to Resurrecting Extinct Species?", an event that occurred at approximately the same time that the mammoths went extinct was a global climate change known as the Younger Dryas.
During this period, around 12,900 years ago, the Earth experienced a sudden cooling event, leading to a significant drop in temperatures. This climate change had a major impact on the environment and played a role in the extinction of various species, including the mammoths.
The Younger Dryas lasted for approximately 1,200 years and affected many parts of the world, including North America, Europe, and Asia. This event caused changes in vegetation and disrupted the ecosystems in which mammoths and other animals lived. The combination of the changing climate, reduced food availability, and increased competition from other species likely contributed to the extinction of mammoths.
It is important to note that the exact cause of the mammoths' extinction is still a subject of scientific debate, and the Younger Dryas is one of the factors believed to have played a role. Other factors, such as overhunting by early humans and the loss of suitable habitats, may have also contributed to their extinction.
In conclusion, the event that occurred at approximately the same time as the mammoths' extinction was the global climate change known as the Younger Dryas. This climate change had a significant impact on the environment and is considered one of the factors that led to the extinction of mammoths.
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When trees are uprooted and the land left bare what happens to the rain water?
Explanation:
when trees are cut down, the bare surfaces left behind absorb more heat than the forest they replaced.And that heat helps draw air upward, pulling moist air in from nearby forested land that increases rainfall in the immediate area.
Why is spider not classified as an insect ?
Solution:
Both insects and arachnids are arthropods. However, in the morphology of an insect, there are 6 legs. While in the morphology of an arachnid there are 8 legs. Also, arachnids do not have antennae, their head is not differentiated from the body but is typically divided into two main regions called the cephalothorax (prosoma) and the abdomen (opisthosoma). Spiders belong to the arachnids, therefore a spider is different from an insect. Therefore, a spider cannot be classified as an insect.
Which oraganelles of a cell possess their own DNA
Answer:
It is 'mitochondria'
MITOCHONDRION are the only cell organelles other than nucleos who has their own DNA
AND
in plants PLASTIDS also have thier own DNA
AND THIS IS BECAUSE MITOCHONDRIANS & PLASTIDS WERE INDIPENDENT ORGANISMS WHICH LIVED BY THEMSELVES.
Answer:
mitochondria and chloroplasts
Split-brain patients are unable to :
a) Coordinate movements between their major & minor muscle groups
b) Speak about info received exclusively in their right hemisphere
c) Speak about info received exclusively in their left hemisphere
d) Solve abstract problems involving integrating logical (left-hemisphere) and spatial (right-hemisphere) information
e) Speak about information received exclusively through their left ear, left eye, or left side of their bodies
Split-brain patients have undergone a surgery that severs the corpus callosum, the band of fibers that connects the two hemispheres of the brain. This means that information received through the right senses (ear, eye, or side of the body) is processed by the left hemisphere and vice versa. The correct answer is c)Speak about info received exclusively in their left hemisphere.
Split-brain patients are unable to speak about information received exclusively through their left hemisphere because that information cannot be transferred to the language centers in the left hemisphere for verbal expression. However, they can perform tasks that involve integrating logical and spatial information because both hemispheres are still able to process information independently. They may also have difficulty coordinating movements between major and minor muscle groups, but this is not a specific symptom of split-brain syndrome.
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Gut bacteria found in the human stomach (very low pH) would be classified into which kingdom?
plantae
archaebacteria
fungi
protista
animalia
eubacteria
The 3rd one - fungi, double check
1
The cell cycle includes mitosis. What happens
during mitosis?
A Each chromosome makes a copy of itself.
B The cell cytoplasm divides to produce
two cells.
C The cell prepares to divide.
D The nucleus divides so that each cell will
receive a complete set of genetic information.
Answer:
B.
Explanation:
The cell starts to duplicate itself, chromosomes and all, and ends up making two daughter cells
-Hope this helped.
What is skepticism?
a new scientific idea
being interested in new or different ideas
a general agreement among scientists about a scientific idea
the understanding that knowledge in a particular area can be uncertain
An attitude of skepticism or a tendency to be skeptical, either generally or with regard to a certain object.
What is skepticism and why is it important?In order to be skeptical, one must refrain from leaping to conclusions when examining a claim or an explanation. In the course of a study, it enables scientists to take into account every scenario and rigorously examine all available data.Doubt, dubiety, mistrust, suspicion, and uncertainty are some typical synonyms for skepticism. While all of these terms refer to a "lack of sureness about someone or something," scepticism denotes a refusal to accept something without concrete proof.A sceptic is someone who thinks that some or all of human knowledge is illogical. Skeptics contend that it is preferable to suspend believing rather than rely on the disputed byproducts of reason because even our finest methods for learning about the universe occasionally fall short of full certainty.To learn more about skepticism refer to:
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Answer:
D
Explanation:
The understanding that knowledge in a particular area can be uncertain
If your temporal lobe was damaged, what might happen to you?
A You'd have trouble breathing
B You'd have trouble processing speech С You'd have trouble remembering things D You'd have trouble controlling your body temperature
Answer:
c you would have trouble remembering things.
Explanation:
Difficulty learning and retaining new information. Impaired factual and long-term memory, Persistent talking, Difficulty in recognizing faces.
Which process produces oxygen that is released into the atmosphere? *a. Respirationb. Excretionc. locomotiond. photosynthesisi don't know, I rather not guess
- Respiration is the process in which animals and plants take oxygen from the atmosphere.
-Excretion is the process in which living beings get rid of waste products.
-Locomotion involves any form of movement made by living beings.
-Photosynthesis is the process in which plants use water, sunlight, and carbon dioxide to create oxygen and energy.
The correct answer is Photosynthesis
A cell removes a toxin it has produced through a chemical reaction. Which characteristic of living things is the cell demonstrating?
Answer:
Excretion
Explanation:
the characteristics of living thing are as follows Nutrition irritability growth excretion respiration movement reproduction and death. the only plausible answer is to be Excretion cos its excreted the waste that it produces hence excretion
Carefully analyze your reult to determine the relative ize of molecule that did or did not diffue acro the dialyi membrane
The most reliable method for determining the size of a molecule is through the use of a gel electrophoresis experiment.
This experiment measures the size of different molecules based on the rate at which they migrate through a gel. The smaller the molecule, the faster it migrates. During the experiment, a sample containing the molecules of interest is placed in the gel and a current is applied. As the current moves through the gel, the molecules move along with it. The size of each molecule can then be determined by measuring the distance it traveled in a set amount of time.
In addition to the gel electrophoresis experiment, other methods can also be used to determine the size of a molecule. These include size exclusion chromatography and dynamic light scattering. Both of these methods measure the size of a molecule by analyzing the amount of light that is scattered off the molecule when it passes through a beam of light. The larger the molecule, the more light is scattered and the easier it is to measure the size.
Once the size of the molecules has been determined, the results can be compared to the results of the dialysis membrane experiment. Molecules that were able to diffuse across the membrane will be smaller than those that did not. This can be used to determine the relative size of the molecules that did or did not diffuse across the membrane.
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Complete question :
Carefully analyse your result to determine the relative sizes of molecules that did or did not diffuse across the dialysis membrane?
"Please indicate whether each phrase or acid is describing a saturated fatty acid, monounsaturated fatty acid, or polyunsaturated fatty acid. (12 points) Your answers must be spelled correctly for full credit.
Each carbon is bonded with two atoms of hydrogen
Oleic acid
Double bond occurs at only one point in the carbon chain
Alpha-Linolenic acid
Contains more than one double bond
Stearic acid"
Each carbon is bonded with two atoms of hydrogen: Saturated fatty acid.
- Oleic acid: Monounsaturated fatty acid.
- Double bond occurs at only one point in the carbon chain: Monounsaturated fatty acid.
- Alpha-Linolenic acid: Polyunsaturated fatty acid.
- Contains more than one double bond: Polyunsaturated fatty acid.
- Stearic acid: Saturated fatty acid.
Saturated fatty acids have each carbon atom in the carbon chain bonded to two hydrogen atoms, meaning there are no double bonds present. Therefore, the phrase "Each carbon is bonded with two atoms of hydrogen" describes a saturated fatty acid.
Oleic acid is a monounsaturated fatty acid because it has one double bond occurring at a specific point in the carbon chain. The phrase "Double bond occurs at only one point in the carbon chain" accurately describes oleic acid.
Alpha-Linolenic acid is a polyunsaturated fatty acid because it contains more than one double bond. The phrase "Contains more than one double bond" correctly describes alpha-Linolenic acid.
Stearic acid, on the other hand, is a saturated fatty acid because it lacks any double bonds. Therefore, the phrase "Contains more than one double bond" does not apply to stearic acid.
By identifying the presence or absence of double bonds, we can categorize the given fatty acids as saturated, monounsaturated, or polyunsaturated.
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Jim has become particularly interested in the genetic basis of cancer and has spent considerable time reading published papers about oncogenes. He learned that as early as 1972 researchers suggested that mutations in proto-oncogenes caused by carcinogens can convert them to oncogenes. He asked you to answer a couple of questions about this because he did not have the biology background to totally understand. Jim learned that some cancer cells produce more growth-stimulating proteins than others. What would you give him as a plausible explanation
Answer:
Proto-oncogenes may have mutated to become oncogenes in these cells
Explanation:
Cancer cells are characterized by key properties such as an abnormally rapid rate and poor differentiation. Proto-oncogenes are genes that lead normal cells to become cancer cells when they are mutated. Many proto-oncogenes are involved in the control and progression of the cell cycle, and apoptosis (programmed cell death) pathway. Some examples of protooncogenes include 1-the Ras gene, which is required for differentiation, growth, and cell survival (mutations of this gene have been reported in pancreatic cancer, lung cancer, colon cancer and thyroid cancer), 2-the Myc gene (mutated in Burkitt's lymphoma), 3- the Her2 receptor (a receptor kinase associated with breast cancer), etc.
Which parts of the scientific process differentiate it from pseudoscience? Select two options.
Options:
stating facts based on opinions
using models and experiments
asking new questions
making subjective claims
having explanations that answer all questions
The two parts of the scientific process that differentiate it from pseudoscience are using models and experiments, and asking new questions.
Two parts of the scientific process that differentiate it from pseudoscience are using models and experiments and asking new questions. In science, models and experiments are used to test hypotheses and theories and to collect data that can be analyzed objectively.
Asking new questions is also an essential part of the scientific process, as it leads to new discoveries and advances in knowledge. Pseudoscience, on the other hand, often relies on subjective claims and lacks rigorous testing through experiments and models. Additionally, pseudoscience may make claims that cannot be tested or answered by scientific explanations.
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If the mass the rock is 50 grams , what is the density of the rock
Answer:density
=
2.9
g/cm
3
Explanation:
We're asked to find the density of the rock, given some mass and volume information.
We're given that the mass of the system before the rock was added was
120
g
. The mass after the rock was added was
250
g
, so the rock's mass is
m
rock
=
m
final
−
m
initial
=
250
l
g
−
120
l
g
=
130
l
g
−−−−−
The initial volume of water in the graduated cylinder was
30
mL
, and the volume after the rock was added read
75
mL
, so the rock's volume is
V
rock
=
V
final
−
V
initial
=
75
l
mL
−
30
l
mL
=
45
l
mL
−−−−−−
The equation for the density of the rock is
density
=
mass
volume
And so we have
density
=
130
l
g
45
l
mL
=
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
∣
∣
∣
2.9
l
g/mL
=
2.9
l
g/cm
3
∣
∣
∣
−−−−−−−−−−−−−−−−−−−−−−−−−
Explanation:
Which of the following is the correct flow of air leaving the bronchial tree from the alveoli?
bronchioles, terminal bronchioles, respiratory bronchioles, tertiary bronchi
terminal bronchioles, respiratory bronchioles, bronchioles, tertiary bronchi
respiratory bronchioles, terminal bronchioles, bronchioles, tertiary bronchi
The correct flow of air leaving the bronchial tree from the alveoli is respiratory bronchioles, terminal bronchioles, bronchioles, tertiary bronchi.
The respiratory bronchioles are the smallest airways of the bronchial tree that have alveoli buds on their walls. They branch from the terminal bronchioles, which are the last segment of the conducting zone of the respiratory system.
The bronchioles follow the respiratory bronchioles and they are small airways that lack cartilage in their walls, making them more susceptible to collapse.
Finally, the tertiary bronchi, also known as segmental bronchi, are the first branches of the bronchial tree that lead to specific lobes or segments of the lung.
So, the flow of air leaving the bronchial tree from the alveoli starts from the respiratory bronchioles, followed by the terminal bronchioles, then the bronchioles and finally the tertiary bronchi.
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(Help me pls)
What did Darwin find at the higher elevations of the Andes Mountains?
A) a fossil of a species similar to a giant armadillo
B) fossils of sloth-like organisms the size of elephants
C)fossilized shells of marine organisms
D)fossils of dinosaurs
Answer:
d.
Explanation:
next me answer my question ⁉️
Reginald receives a stem cell transplant to treat the blood cancer, multiple myeloma. His treatment is an example of
Reginald's stem cell transplant to treat the blood cancer, multiple myeloma, is an example of hematopoietic stem cell transplantation (HSCT).
Hematopoietic stem cell transplantation, also known as bone marrow transplantation, involves the infusion of healthy stem cells into a patient to replace damaged or diseased stem cells in the bone marrow. The goal of HSCT is to restore the normal function of the hematopoietic system, which is responsible for producing blood cells.
In the case of multiple myeloma, a cancer of plasma cells in the bone marrow, HSCT can be used as a treatment option. It involves several steps:
1. Harvesting: Healthy stem cells are collected from the patient's own bone marrow or from a matched donor. These stem cells have the potential to differentiate into various blood cell types.
2. Conditioning: Prior to the transplant, the patient may undergo conditioning therapy, which involves high-dose chemotherapy and/or radiation. This treatment aims to eliminate the cancer cells in the bone marrow and create space for the transplanted stem cells.
3. Transplantation: The harvested stem cells are then infused into the patient's bloodstream. From there, they migrate to the bone marrow and establish themselves, gradually repopulating the hematopoietic system.
4. Recovery: Following the transplant, the patient undergoes a period of recovery. Close monitoring is required to manage potential complications and support the patient's immune system until it is fully restored.
By receiving a stem cell transplant, Reginald is given a chance to replenish his bone marrow with healthy stem cells, which can produce new, functional blood cells and potentially provide a curative effect for multiple myeloma.
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What is the journey of an oxygen molecule through the respiratory system and the circulatory system
Answer:
The path that oxygen takes through the respiratory system is identified below in a flowchart format: Mouth or Nostrils of the Nose → Nasopharynx → Oral Pharynx → Glottis → Trachea → Lungs (Right and Left Bronchi → Bronchioles → Alveoli) Gas exchange occurs between the alveoli sacs and small capillaries of the circulatory system.
Explanation:
The path that oxygen takes through the respiratory system is identified below in a flowchart format: Mouth or Nostrils of the Nose → Nasopharynx → Oral Pharynx → Glottis → Trachea → Lungs (Right and Left Bronchi → Bronchioles → Alveoli) Gas exchange occurs between the alveoli sacs and small capillaries of the circulatory system.
Which of the following structures are innervated by visceral motor neurons? (Check all that apply.) a. cardiac muscle ac muscle b. glands b. glands c. skeletal muscled. smooth muscl smooth muscle c. skelet -d.
The structures that are innervated by visceral motor neurons are cardiac muscle, glands, and smooth muscle.
The structures innervated by visceral motor neurons are:
a. Cardiac muscle
b. Glands
d. Smooth muscle
So, the correct options to check are a, b, and d. These structures are innervated by visceral motor neurons as they are responsible for controlling involuntary actions in our body, such as the contraction of cardiac and smooth muscles, and the secretion of glands.
Therefore, options a, b, and d are correct. Skeletal muscle is not innervated by visceral motor neurons, so option c is incorrect.
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Looking back, I was sure that I was going to die that November afternoon. Tornado watches in Alabama are as common as eggs are for breakfast. So much so, that I had begun to ignore them altogether. This disregard for Mother Nature’s power nearly proved fatal for me and my sister. As we approached a fresh red light on a main thoroughfare through Huntsville, I glanced at the sudden peculiar coloring of the sky. The unusual hue and the stillness of the air gave me a sudden sense of uneasiness. The light changed and we made the left turn that would lead us home. It was after the turn that everything around me seemed to be occurring in slow motion. I heard it before I saw anything. At first I was sure that a train or a big truck was directly behind the car. Then I saw the debris, not the image of swirling winds we tend to associate with a tornado, but trash and wires and dirt. I remember a sudden feeling of weightlessness as we were lifted off of the ground. Strangely, she lifted us up like a feather on a breeze. It seemed more like floating than flying until she launched us from her grip with a fury few will ever understand.
2 While I cannot remember the actual impact, pictures from the aftermath tell the story word for word. The tin can that once was a car was belly up in the top of a 100 foot maple. We hung there for hours, oblivious to the disaster around us. When rescuers could finally get to us, power lines made it too dangerous to touch the metal car. I awoke first 32 days after my ride in the sky and remembered much of the ordeal. My sister however, after lying in a coma for nearly three months, has no recollection of any detail from her life before the accident. Lack of oxygen erased her past. My physical wounds have long since healed, but I spend many hours below ground. The slightest hint of thunder or an awkward colored sunset sends me racing to my life below to hide from her.
Question
The author of this passage uses which literary device?
Responses
A ironyirony
B allusionallusion
C foreshadowingforeshadowing
D flashbackflashback
The author of this passage uses D, flashback as the literary device to tell the story.
What is flashback?A flashback is a literary device that allows a writer to describe events that occurred before to the current period in the story. It is a method that stops the chronological flow of a tale to enlighten readers about what happened previously. Flashbacks are frequently utilized to set the scene, provide character background, or build tension and suspense.
They can take several forms, including memories, dreams, and stories recounted by other characters. A flashback's goal is to assist the reader in understanding the current situation or to give light on the character's motives, feelings, and experiences.
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The hormones of the hypothalamus that stimulate the anterior pituitary to release hormones are called ______.
The hormones of the hypothalamus that stimulate the anterior pituitary to release hormones are called releasing hormones.
The hypothalamus produces several releasing hormones that travel through the hypophyseal portal system to the anterior pituitary gland. These releasing hormones stimulate the anterior pituitary to release specific hormones into the bloodstream, which then act on target tissues and organs throughout the body to regulate various physiological processes.
Examples of releasing hormones include gonadotropin-releasing hormone (GnRH), which stimulates the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH), and thyrotropin-releasing hormone (TRH), which stimulates the release of thyroid-stimulating hormone (TSH).
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the concept that two species cannot successfully co-exist in identical niche space is termed:
The concept you are referring to is known as the competitive exclusion principle, which states that two species cannot occupy the same niche in the same habitat for a long period of time.
This is because one species will eventually outcompete the other for resources and eventually exclude it from the community. The competitive exclusion principle is a fundamental concept in ecology and is often used to explain patterns of species diversity and distribution in ecosystems.
The concept that two species cannot successfully co-exist in identical niche space is termed "competitive exclusion principle." To explain this principle, it states that when two species compete for the same resources in an identical niche, one species will eventually outcompete the other, leading to the elimination of the less successful species. This principle helps maintain biodiversity by preventing species from having overlapping niches in an ecosystem.
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All the following statements about an epithelium are TRUE EXCEPT ONE. Which one is the EXCEPTION? A.) Is avascular
B.) Has a free surface
C.) Has a limited capacity for cells to divide
D.) Has nerve fibers
E.) Has no or very little extracellular material
The statement that is NOT true about an epithelium is: Has a limited capacity for cells to divide. Option C is correct.
Epithelia have a high capacity for cells to divide and regenerate, which is essential for their function as a protective barrier and as a lining for various organs and structures in the body. The other statements are true about epithelia:
Epithelia are avascular, meaning they have no blood vessels of their own and must rely on diffusion from nearby blood vessels for their nutrient and oxygen supply.
Epithelia have a free surface, which is exposed to the external environment or to internal body cavities, and may have specialized structures such as cilia or microvilli.
Epithelia have nerve fibers that help to detect and respond to changes in their environment.
Epithelia have little or no extracellular material, as their cells are tightly packed together with minimal space between them.
Hence, C. Has a limited capacity for cells to divide is the correct option.
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If a mammal did not obtain enough iodine in its diet, you might expect _________. A. a decreased ability to produce thyroid hormones B. a decrease in enzyme function C. the animal to have weak bones D. a decrease in muscle function
If a mammal did not obtain enough iodine in its diet, we might expect a decreased ability to produce thyroid hormones.
Hence option (a) is correct.
The creation of thyroid hormone requires the element iodine.
Iodine must be a component of your diet because the body cannot produce it.
There are several foods that contain iodine. You cannot produce enough thyroid hormone if your body is deficient in iodine.
Iodine deficiency can therefore result in intellectual problems in children and infants whose mothers were iodine deficient during pregnancy.
It can also cause hypothyroidism (see the hypothyroidism brochure), goitre, and thyroid enlargement.
Decreased iodine levels are not the only factor contributing to low thyroid function. Iodine deficiency, however, can result in various thyroid issues as well as a goitre, an abnormal enlargement of the thyroid gland. It may lead to mental impairments in youngsters.
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Analysis of the electrocardiogram can reveal all of the following, except the. A) condition of the conducting system. B) heart rate. C) stroke volume.
Analysis of electrocardiogram can reveal all of the following, except : C) stroke volume.
What is electrocardiogram ?Electrocardiogram records the electrical signals in the heart and it's a common and painless test used to quickly detect heart problems and monitor heart's health. Electrocardiogram is also called ECG or EKG, which is done in a health care provider's office, clinic or a hospital room.
Electrocardiography is the process of producing electrocardiogram that is the recording of heart's electrical activity through repeated cardiac cycles. It is an electrogram of the heart which is graph of voltage versus time of electrical activity of heart using electrodes placed on skin.
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