Answers
Answer:
The bacteria in our bodies help degrade the food we eat, help make nutrients available to us and neutralize toxins, to name a few examples[8]; [9]; [10]. Also, the microbiota play an essential role in the defense against infections by protecting the colonized surfaces from invading pathogens.
Explanation:
The bacteria in our bodies help degrade the food we eat, help make nutrients available to us and neutralize toxins, to name a few examples[8]; [9]; [10]. Also, the microbiota play an essential role in the defense against infections by protecting the colonized surfaces from invading pathogens.
Related Questions
1. made of DNA holds genetic information
3. This type of ER transports and modifies lipids
4. type of respiration that does not use oxygen
6. Found only in plant cells, this surrounds the cell
8. the jelly like area in cell that hold organelles
13. type of transport that does not require energy
14. nerves that regulate responds to stimuli
Answers
Answer: im not sure
Explanation:
Please help me I have no more points please help I’m begging you please
Answers
Answer:
Less food means less bird, solely because there is less food to go around, so not a lot of them will survive with the lack of it. The habitat with regain food eventually but it will take a while.
4 will be effected by vegetation growing more because there will be less birds to trample/eat it
3 will be effected by more water supply for the other animals because the birds won't be there to drink it.
2 wont have as many birds and will be effected by starvation
1 will become skinnier or die.
Deer mice are usually dark brown and live in forests with dark soil. However, the deer mice in the Sand Hills of Nebraska are lighter brown and live in an area with light, sandy soil.
Based on this information, what ,begin emphasis,most,end emphasis, likely caused the change in the Sand Hills deer mice?
Answer options with 4 options
A.
Lighter colored mice were preferred by females.
B.
Lighter colored mice came from snowy habitats in the north.
C.
Lighter colored mice had more dominant genes in their new habitat.
D.
Lighter colored mice were more likely to avoid predators and to reproduce.
Answers
Lighter colored mice were more likely to avoid predators and to reproduce. Therefore, option (D) is correct.
The lighter brown coloration of the deer mice in the Sand Hills of Nebraska is likely an adaptation that provides them with a survival advantage in their specific habitat. The light, sandy soil in the area may offer better camouflage for lighter colored mice, making them less visible to predators and increasing their chances of survival.
As a result, these mice would have a higher likelihood of successfully reproducing and passing on their lighter coloration traits to future generations.
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4. The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell would be: which option is correct a) 1 mole of ATP b) 2 moles of ATP c) 3 moles of ATP d) 4 moles of ATP e) 6 moles of ATP
Answers
The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.
During oxidative phosphorylation, each mole of NADH can generate around 2.5 to 3 moles of ATP. Therefore, for 2 moles of NADH, the total ATP production would be in the range of 4 to 6 moles of ATP. While the more precise estimate falls within the 4 to 6 moles range, the closest option provided is 4 moles of ATP. It is important to note that the exact ATP yield can vary depending on factors such as the efficiency of the electron transport chain and the specific conditions within the cell.Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.
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Characteristics of allergic purpura lesions include which of the following? (Select all that apply.)a. Fever and itching b. Easily palpatated lesions c. Bleeding from the lesionsd. Lesions located on the facee. Lesions located on the trunk
Answers
The characteristics of allergic purpura are fever and itching, easily palpated lesions. The correct option is Option A.
Henoch-Schoenlein purpura (also known as IgA vasculitis) is a common disorder that causes the small blood vessels under the skin, joints, intestines and kidneys to become inflamed and tend to bleed. Purpura lesions are generally itchy and fever can also occur due to these lesions. They are raised and are usually easily felt. Bleeding from the lesions themselves and generalized bleeding are uncommon. The lesions due to purpura tend to be found on the proximal extremities, especially on the legs and buttocks. The identifying feature of this form of vasculitis is the appearance of purplish rash, typically found on the lower legs and buttocks. It can also lead to abdominal pain and aching joints. Sometimes, chronic kidney damage can also occur.
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list the resources that are provided by the habitat of an organism
Answers
The habitat of an organism provides several key resources that are essential for its survival:
• Food - The habitat provides a source of nutrition in the form of food that the organism can consume. This could be plants, other animals, algae, bacteria, etc. depending on the organism.
• Water - Most organisms need access to fresh water for hydration, drinking, and other biological processes. The habitat determines the availability and access to water sources.
• Shelter - The habitat provides shelter and protection from environmental extremes like high winds, heavy rains, freezing temperatures, intense sunlight, etc. The shelter could be in the form of trees, caves, burrows, etc.
• Space - The habitat provides adequate space for the organism to carry out key activities like moving around, resting, finding mates, raising offspring, etc. depending on the organism's size and needs.
• Oxygen - For aerobic organisms, the habitat provides oxygen in the air or water that they can breathe. Aquatic habitats provide oxygen dissolved in the water for aquatic animals.
• Substrate - Some habitats like forests provide substrates for organisms to attach to, climb on, hide under, build nests, etc. The substrate could be trees, rocks, leaf litter, etc.
• Burrowing material - Certain organisms depend on suitable soil, mud or sediment in their habitat to burrow into for shelter, nesting, etc. The composition and moisture of the burrowing material is important.
• Nesting material - Many organisms require suitable materials in their habitat to construct nests, webs, dens for living, raising offspring, resting, etc. Sticks, leaves, twigs, moss, etc. serve as nesting materials for many habitats.
What should you do if you get chemicals in your eyes?
A. Wipe off your eyes with a napkin.
B. Put on safety goggles and keep working
C. Finish your experiment before doing anything about it.
D. Tell your teacher and use the eye-wash station.
Answers
Answer: D is the answer
Which of the following processes provides the plant with food?
Responses
sunlight
photosynthesis
watering
fertilization
Answers
Answer:
Photosynthesis
Explanation:
Photosynthesis is a chemical reaction that takes place inside a plant, producing food for the plant to survive. Carbon dioxide, water, and light are all needed for photosynthesis to take place.
Good luck!
Which of the following statements about quorum sensing is FALSE? Quorum sensing
is species specific
may result in bioluminescence
is particularly well studied because of its medical importance
is cell-cell communication in eukaryotes
Answers
Match the term with its correct description.
Group of answer choices
Root cap
[ Choose ]
Meristematic zone
[ Choose ]
Zone of elongation
[ Choose ]
Zone of differentiation
[ Choose ]
Root hairs
[ Choose ]
Answers
Root cap: protective layer covering the root tip, Meristematic zone: actively dividing region near the tip, Zone of elongation: area of cell elongation, Zone of differentiation: region of cell specialization, Root hairs: projections for water and mineral absorption.
Where on the root tip does the meristematic area receive direct protection?The root cap at the very tip shields the meristematic zone, or meristem, of rapidly dividing cells. (zone of cell division). To enable the root to explore and mine new soil, cells behind the meristem elongate and propel the meristem and root cap forward into the ground. (zone of elongation).
Does the root cap shield RAM cells in the root apical meristem that are actively dividing?All of the primary root tissues are produced from the root apical meristem, which is a tiny region at the tip of a root in which all cells are capable of repeated division. As it moves, the root apical meristem is shielded.
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Question:
Root cap: The root cap is a structure at the tip of a plant root that protects the delicate meristematic cells behind it as the root grows through soil.
Meristematic zone: The meristematic zone is the area of a plant root where cell division and growth occur, leading to an increase in the length of the root.
Zone of elongation: The zone of elongation is the area of a plant root where cells become longer and the root begins to push through the soil.
Zone of differentiation: The zone of differentiation is the area of a plant root where cells begin to specialize into different types of plant tissue, such as the epidermis, cortex, and vascular tissue.
Root hairs: Root hairs are thin, finger-like projections of plant root cells that increase the surface area of the root, allowing for greater absorption of water and nutrients from the soil.
A person who conducts research on psychological disorders is a
Question 20 options:
clinical mentalist.
clinical practitioner.
clinical scientist.
clinical profiler.
Answers
A person who conducts research on psychological disorders is a clinical scientist.
Who is a clinical scientist?An expert in mental health who studies psychological problems is known as a clinical scientist.
They typically hold a Ph.D. or PsyD in psychology, and they might additionally have training in research techniques.
They also use scientific techniques to plan and carry out research, gather and examine data, and increase our understanding of mental health.
In order to improve our knowledge of psychiatric diseases and create evidence-based interventions, clinical scientists frequently collaborate with other professionals in academic and research contexts.
Therefore, C) clinical scientist is the correct answer.
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If resaurchers use only the number of coral found in dive 1 calculate the predicted population of brain coral in a reef that covers 120 m2
Answers
Answer:The predicted population of brain coral in a reef covering 120m² is ; ≈ 40
First step : Calculate the value of the default population density
Population density = population size (dive 1) / total area
= 4 / 12 = 0.33
Total area ;
∑ Area of each reef quadrant = length * width = 2 * 2 = 4m²
∴ Total area = 4 + 4 + 4 = 12m².
Final step : Determine the value of the predicted population of brain coral
Population density = ( predicted population ) / predicted area
0.33 = ( pp ) / 120m²
∴ Predicted population ( pp ) = 0.33 * 120
= 39.6 ≈ 40 brain corals
Hence we can conclude that the predicted population of brain coral is 40
Explanation:
What types of measurements can Susie make on the plants to determine how they did in different types of light
Answers
The height of the plant under different types of light should be measured.
What is the height of the plant?In an experiment, we seek to determine how a cause leads to an effect. In this case, Susie is trying to know the effect of different types of light on the growth of a plant.
It is true that the easiest way to measure the growth of the plant is to look at the height of the plant. This shows us the extent to which the plant grows.
Let is recall that in this case, the height of the plant is the dependent variable while the kind of light is the independent variable. As the kind of light is changed, the height of the plant which is an indicator of the growth of the plant changes also and this is the crux of what Sarah is studying.
Thus, the type of measurement that Susie should make on the plants to determine how they did in different types of light is to measure the height of the plant under the different types of light.
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1. Compare the transfer of DNA in bacterium to the transfer of DNA in a species that uses sexual reproduction.
3. How many sperm are produced by the average human male each second/day/lifetime?
4. What process is used to make sperm cells and egg cells?
5. When does a human female produce her eggs?
6. Where do eggs mature before they are released?
7. How does the egg move?
Answers
The transfer of DNA in bacteria occurs through the process of horizontal gene transfer, which involves the transfer of genetic material between different bacteria.
The average human male produces approximately 1,500 sperm per second, 129.6 million sperm per day, and over 47 billion sperm in a lifetime.
The process used to make sperm cells is called spermatogenesis, which occurs in the testes of males. Spermatogenesis involves a series of cell divisions and differentiation steps that result in the production of mature sperm cells.
A human female is born with all the eggs she will ever have, and these are produced during fetal development in the ovaries. However, the eggs do not mature and become capable of fertilization until puberty.
Eggs mature before they are released in structures called follicles, which are located in the ovaries. Each month, one of these follicles will mature and release an egg during ovulation.
The egg is moved along the female reproductive tract by the contraction of smooth muscles in the fallopian tubes, which help to transport the egg towards the uterus. Cilia on the inner lining of the fallopian tubes also help to move the egg along.
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What are two theories proposed to explain Primate Origins and how do they relate to traits we see in modern primates
Answers
Answer:
The level of specialization is given by the function.
The function of the organ makes the cell as it becomes mature, its more specific function becomes.
First, a stem cell differentiates itself into a hepatic or neuronal cell, thus generating that its functions are limited compared to the rest of the stem cells.
After this process, throughout the cell development and maturation of the organ, its cells become more specific in a single activity.
Explanation:
The differentiation of the stem cells is regulated by the genetic code, the migration of these during the embryonic stage of the mouse and the external stimulation that these stem cells perceive.
Which functions of a peptide bond
Answers
A peptide bond is a chemical bond that is formed between two amino acids when the carboxyl group of one amino acid reacts with the amino group of another amino acid. Peptide bonds play a number of important roles in the structure and function of proteins and other biomolecules. Some of the key functions of a peptide bond include:
1. Stabilizing the structure of proteins: Peptide bonds help to hold the linear chain of amino acids that make up a protein in a specific conformation, or shape. This is important for maintaining the proper function of the protein.
2. Providing a means of communication: Peptide bonds can be cleaved, or broken, by enzymes called peptidases, which allows for the release of specific amino acid sequences. These sequences can act as signaling molecules, transmitting information between cells.
3. Playing a role in digestion: Peptide bonds in proteins can be broken down by enzymes in the digestive system, allowing for the absorption of amino acids into the body.
4. Regulating the activity of enzymes: Some proteins, called allosteric enzymes, have regulatory sites on their surface that can bind to small molecules called effectors. The binding of an effector to an allosteric enzyme can cause a conformational change in the enzyme, leading to changes in its activity. Peptide bonds can play a role in this conformational change, allowing the enzyme to be regulated by the binding of effectors.
Which of these is an example of negative feedback?
1. As a blood clot begins to form, the process of its formation gets faster and faster.
2. After you eat, glucagon stimulates an increase in blood sugar levels.
3. After you eat, insulin stimulates the lowering of blood sugar levels.
4. The digestive enzyme pepsinogen is converted to pepsin by the action of hydrochloric acid; pepsin itself can then convert pepsinogen into pepsin.
5. Once labor begins, contractions increase in frequency and intensity.
Answers
After you eat, insulin stimulates the lowering of blood sugar levels is an example of negative feedback
Blood sugar levels are raised after eating, and insulin causes them to fall. In this case, the stimulus is countered by the response (raised blood sugar levels) (by lowering blood sugar levels). A negative feedback mechanism, often referred to as negative feedback homeostasis, is a system that is activated by an output deviation and results in output changes that are the exact opposite of the deviation that caused it.
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When organisms in the ecosphere die, they are broken down by bacteria. Nutrients,
such as nitrates, are released back into the ecosphere. Why is this important for the
survival of the other organisms in the ecosphere?
Answers
Answer:
Explanation they written :
What type of boundary is this?
Answers
The image represents the continental-continental boundary. When two continental plates collide, that's another kind of convergent plate boundary. The continental lithosphere is very thick and has a low density. The continental lithosphere cannot subduct. So when two mainland plates impact, they simply crush together.
Plate tectonic boundaries come in three varieties: plate boundaries that are transformed, divergent, and convergent. The three primary types of plate boundaries are depicted in this image: transform, convergent and divergent.
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Predict the phenotypic and genotyping outcome offspring of a cross between two heterozygous for round peas
Answers
Phenotypically, the offspring of this cross are expected to have a 3:1 ratio of round to wrinkled peas.
What do you mean by Offspring?
Offspring is a term used to refer to the children or descendants of a particular parent or ancestor. It is often used to refer to the biological children of two people, but it can also refer to adopted children, stepchildren, and other descendants. Offspring can also refer to any living organism that is descended from a common ancestor.
This means that, of the offspring, 75% will have round peas and 25% will have wrinkled peas. Genotypically, the offspring of this cross are expected to be heterozygous for round peas (Rr).
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Who observed variations in the characteristics A.James Hutton , B.Charles Lyell , C.Charles Darwin, D.Thomas Malthus
Answers
Answer:b
Explanation:
Respiration in Organisms:- Visit the doctor. Learn about the various diseases related to respiratory system. What are the measures that may be taken to prevent them? Prepare a chart incorporating that measures and present in the class.
Answers
The diseases associated with the respiratory system include asthma, chronic obstructive pulmonary disease (COPD), lung cancer, etc.
What are respiratory diseases?Respiratory diseases are different types of conditions/disorders that affect our respiratory airways.
These types of diseases (respiratory diseases) hamper our ability to take oxygen from the air.
In conclusion, The diseases associated with the respiratory system include asthma, chronic obstructive pulmonary disease (COPD), lung cancer, etc.
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Please help me out with this.
Answers
The cell wall protects the cell it acts like a barrier
What is the difference between nymph and larva?; What is the nymph stage of an insect?; Where is nymph found?; Why does a nymph moult?
Answers
While nymphs go through hemimetabolism, larvae go through a process known as holometabolism. The young stage of insects that partially metamorphose; resembles the adult, but lacks fully formed wings.
All insects go through a moulting process to shed their exoskeleton and develop into their adult forms. In contrast to nymphs, who often go through two to sixty moults before reaching adulthood, larvae go through their entire metamorphosis in a single step.
Nymphs are sexually immature insects that are identical to adults but have undergone an incomplete metamorphosis, or hemimetabolism, such as grasshoppers and cockroaches.
Arthropods moult their exoskeleton in order to expand and change their appearance. The young insects continue living until they pupate or moult once again after losing their exoskeleton.
Thus, we can conclude that while nymphs experience hemimetabolism, larvae experience holometabolism. The young stage of insects that partially metamorphose; resembles the adult, but lacks fully formed wings.
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ANSWER FAST PLEAAASEEE
Because killer whales are at the top of many food chains, it may seem as if they are not at risk of starving if seals die off. Why is this not necessarily true?
Answers
Answer:
This is not true. Although they eat sharks, whales, and dolphins, that is just occasional. Seals are their primary meal.
Sorry it was late
Hope this helps!
You are observing a sample of cells in the lab to determine why they did not
divide properly. You notice that the chromosomes are lined up in the middle
of the cell, and the spindle fibers have extended towards them, but have not
attached. What could be damaged?
Answers
Explanation:
What could be damaged that is hindering the spindle fibers from attaching to the chromosomes are the kinetochores of the chromosomes.
At the metaphase stage of the cell division, the chromosomes align at the equator of the cell and the spindle fibers engage each chromosome at a region known as the kinetochore.
The kinetochore is made up of complex proteins and lies around the centromere region of the chromosome. The microtubules of the spindle fibers attach to this region during the metaphase stage.
If the kinetochore is damaged, it means the spindle fiber will not be able to attach to the chromosome.
is there a type of carbohydrate that cannot undergo cellular respiration
Answers
Answer:
i personaly dont know but carbohydrates are molecouls with sugar and if im right theres only one type of carbohydrate the other ones are lipids proteins and nuclier acids only this that cant undergo cellular respiration is lipids becouse lipids are a molecoule of fat
Explanation:
but im not sure this is just my theory
Your friend is an avid swimmer and wants to burn the most calories in her 20 minute daily swim. She has a choice of swimming in a pool with a water temperature of 80°F (26.7°C) or one with a water temperature of 72°F (22.2°C).
Which pool should your friend choose to achieve her goal? Explain why.
Answers
Answer:72
Explanation:
The water is colder so you would burn more calories.
Far more calories are burned during cold water swimming than swimming in warmer water. The main idea behind this is a fact that cold water decreases the body temperature so much that the body must act to maintain temperature homeostasis.
What is Swimming?Swimming is a preferred sports activity for burning of calories faster. It is because the resistance of water is so much higher and consistent than that of air, it becomes easier to burn calories by swimming than running. Swimming is a full body workout, that results in more calories burned.
When the temperature of water drops, the metabolism increases up to keep the body warm and people starts shiver, etc. Swimming in cold water will make the body work twice as hard to keep warm and burn more calories in the process. This is one reason why people lose more weight when swimming regularly in cold water than warmer water.
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Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Answers
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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Compared to the inside of the cell, the outside of the cell is
Answers
Answer: The Membrane
Explanation: Hope this helps:)