The structure responsible for moving things through the cell, as well as the cell itself, is the cytoskeleton. It is a network of protein filaments that provides structural support, maintains cell shape, and enables cell movement and the transport of materials within the cell.
The cytoskeleton is responsible for moving things through the cell, as well as the cell itself. It is a network of protein filaments that provide structural support, shape, and organization to the cell. The cytoskeleton is also involved in a variety of cellular processes, including cell division, movement, and intracellular transport.
There are three main types of cytoskeletal filaments: microfilaments, intermediate filaments, and microtubules, each with specific functions in the cell. Microfilaments, made of the protein actin, are responsible for cell movement and support. Intermediate filaments provide mechanical strength and stability to the cell, while microtubules, made of the protein tubulin, are responsible for intracellular transport and cell division.
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Conclusion of diversity in living organisms in 200 words
The nature of the world is diverse. Different kinds of things exist, which leads to variety. The occurrence of different kinds of plants and animals on the surface of the world is referred to as biodiversity.
Genetics, species, and the ecology or habitat all contribute to variety. Because it ensures the existence and sustainability of all life on earth, biodiversity is a crucial component of the globe. Different forms of biodiversity exist as a result of the diversity of living organisms, based on a few key factors. The genetic elements that all living things share are what give rise to genetic variety.
Similar-gene species diverge and develop differently, resulting in biodiversity. When an environment has a variety of various types of living creatures, species diversity occurs. The interaction of living creatures that share common energy sources in an environment, which adds to biodiversity, creates ecological variety. The importance of biodiversity in nature is influenced by both the presence of living organisms in an environment and the health of the ecosystem. Living things can obtain food and other necessary resources to continue their existence through biodiversity. Because of biodiversity, climatic and environmental changes are controlled. Because biodiversity entails the coexistence of several animals and human groups in one area, it enriches culture.
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which statement is true about the plasma membrane
found in brainly
a. The proteins make up the matrix of the membrane.
b. The model can be likened to a sandwich where phospholipids are like the bread and proteins are like the filling.
c. The fluid nature of the membrane is regulated by flip-flopping of the phospholipids from one side of the membrane to the other.
d. Proteins and phospholipids can move sideways within the plane of the membrane.
Histrionicus
Ace
The correct answer is option D.
plasma membrane :
phospholipids move in lateral motion
is a barrier between outer & inner part of the cell
has a lipid bilayer & a hydrophilic head and hydrophobic tail
movement of lipids & proteins are called lateral diffusion
Please help and thanks
How do you know if you have an intestine problem?
The most typical signs of intestinal issues are stomach pain, bloating, diarrhoea, constipation, and changes in bowel habits.
How do you tell if you have a problem with your intestines?Stomach pain, bloating, diarrhoea, constipation, and changes in bowel habits are the most common symptoms of intestinal problems.In addition, you can have fatigue, weight fluctuations, nausea, appetite loss, flatulence, and rectal bleeding.You should consult your doctor if you encounter any of these symptoms in order to identify the underlying reason and receive the proper care.There are several symptoms to watch out for if you think you may have an intestinal issue. These include vomiting, weight loss, changes in bowel habits, trouble passing stool, bloody stool, bloating, gas, and stomach pain.It is crucial to keep in mind that some of these symptoms may also be brought on by other conditions, like food allergies or food poisoning. Therefore, if you have any of these symptoms, it is important to see your doctor for a diagnosis.The doctor may suggest a course of treatment to assist control the disease if the tests identify an intestinal problem. Changes to your diet, prescription drugs, or even surgery may all be used as treatments.To maintain the health of your intestines and avoid any more issues, it's critical to adhere to your doctor's recommendations.To learn more about intestine problem refer to:
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You farm kelp and sell the kelp for food and as fertilizer. The wastes from the kelp can be used in an integrated aquaculture system in which kelp farming can be coupled with farming of fish or abalone. Make an argument that you are using a sustainable system of growing a renewable resource, and explain why it is beneficial (and more sustainable) to couple algae farming with fish farming than simply to farm fish independently.
Answer:
A sustainable system refers to producing less or probably non-existent debris that are caused by the production of a particular material (i.e. produce, energy). This is a sustainable form of production of coupling algae growth and fish farming because you no longer need the supply of fish feed from other sources that are made artificially but rather, you are using the available algae growth that you are culturing. Farm fishing alone is non-renewable because this produces much waste that can directly harm the environment.
An integrated aquaculture system of fish farming with kelp farming is a sustainable system as both system exchange resources and thus reduce wastage of resources.
What is an integrated aquaculture system?An integrated aquaculture system is an aquaculture system which combines several forms of aquaculture together.
For example, kelp farming is a form of aquaculture which can be integrated with another form of aquaculture such as fish farming.
Integrating fish farming with kelp farming is a sustainable system as both system provides what the other needs.
The kelps serve as food to fish while fish waste serve as manure for kelps.
Therefore, integrating fish farming and kelp farming is a form of a sustainable system.
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write down the number of nucleotide present in the above diagram
Answer:
6
Explanation:
A nucleotide includes:
1 phosphate group (p) 1 sugar (s) 1 nitrogenous base (A, T, G, C)¿Cómo modificó la biodiversidad la aparición de los
metabolismos fotoautótrofos?
La biodiversidad es esencial para la vida y los seres humanos dependen de ella. Nosotros utilizamos elementos de la biodiversidad en nuestra vida diaria para la alimentación, medicina y construcción, entre otros.
What happens to glucose which enters nephron along with filtrate
Answer:
it goes down the renal tubule by the action of cilia. The tubular cells absorb glucose, amino acids, salts, etc. These are then passed into the capillary blood cells using the process of diffusion.
Growing food in ways which minimize water and fertilizer use and protect biodiversity while enhancing farmers' livelihoods is an example of: Sustainable sourcing Global sourcing Sole sourcing Ethical sourcing
Growing food in ways which minimize water and fertilizer use and protect biodiversity while enhancing farmers' livelihoods is an example of sustainable sourcing.
Sustainable sourcing is the practice of procuring goods and services in a manner that preserves and improves the natural environment, social welfare, and economic well-being of current and future generations. The process of sustainable sourcing ensures that the procurement of products and services is completed in a way that minimizes any negative impact on the environment.
Additionally, sustainable sourcing also seeks to support social and economic development and protect the human rights of all parties involved. The use of sustainable sourcing practices is vital for addressing some of the most pressing environmental and social challenges facing the world today, including deforestation, greenhouse gas emissions, and water scarcity. It is also crucial for ensuring the availability of resources for future generations.
Therefore, sustainable sourcing is a critical component of many companies' corporate social responsibility (CSR) programs.
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what is the general purpose of the sensory nervous system and the specific purpose of the auditory system?
The general purpose of the sensory nervous system is to receive information from the environment and relay it to the brain for processing and interpretation. The specific purpose of the auditory system is to detect and process sound waves, allowing us to hear and perceive sounds in our surroundings.
The sensory nervous system's general purpose is to gather information from the environment and send it to the brain, while the auditory system specifically focuses on detecting and processing sound waves for hearing and perceiving sounds.
The auditory system is composed of various structures, including the outer ear, middle ear, inner ear, and auditory pathways that connect to the brain. Sound waves enter the outer ear and travel down the ear canal, causing the eardrum to vibrate.
These vibrations are transmitted through the middle ear to the cochlea, a fluid-filled structure in the inner ear that contains tiny hair cells that convert the vibrations into electrical signals. These signals are then sent through the auditory nerve to the brainstem and auditory cortex, where they are processed and interpreted as sound.
The complex mechanisms of the auditory system allow us to distinguish between different types of sounds, such as speech, music, and environmental noises, and to locate the source of sounds in our environment.
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What text structure gives readers a chronological of events or a list of steps in a procedure?.
Order/Sequence is the text structure gives readers a chronological of events or a list of steps in a procedure.
Readers can view a timeline of events or a list of steps in a method thanks to this text structure. An example of this would be the events that led up to the war in a novel on the American revolution. The steps involved in gathering blue crabs might be described in another book.
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find the distance between (-7,-2) (13, -23)
Answer:
distance = √((-7-13)^2 + (-2-(-23))^2)
distance = √(20^2 + 25^2)
distance = √850
distance = ≈ 29.01
Explanation:
PLEASE
The diagram shows the complete classification for the red
fox. The names for some of the taxa are missing.
?
Eukarya
?
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Canidae
?
Vulpes
?
Vulpes vulpes
Which taxon does the group Animalia represent?
A. Genus
B. Phylum
C. Species
D. Kinadom
Answer:
Kingdom.
Explanation:
Domain: Eukarya
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Canidae
Genus: Vulpes
Species: Vulpes vulpes
HELP ASAP WILL GIVE BRAINLIEST RIGHT ANSWER PLS
Answer:
Explanation: 1. d 2. b 3.e 4. a
Select the correct location on the map.
Which US state featured in the map is most likely to lose its forests due to mining?
Natural Resources of the United States
Washington
North
Dakota
Montana
PACIFIC
OCEAN
Oregon
South
Idaho
Dakota
Wyoming
Nevada
Nebraska
Fish
Utah
Coal
California A
Colorado
Kansas
Answer:
California
Explanation:
On the map, the state that is most likely to lose its forests due to mining is Montana, and Montana is located in the northern region of the United States. Here, there are both oil and forests, so for the oil mining, the forests are cut.
What is mining?Montana is a state in the western region of the United States and is known for its natural resources, including forests and minerals. The state has a diverse range of forest types, including coniferous forests, mixed forests, and deciduous forests, which provide important habitats for wildlife and recreational opportunities for people. However, Montana also has significant mineral and metal resources, including copper, gold, and silver, that are often extracted through mining. Mining can have significant negative impacts on forests and other ecosystems.
Hence, on the map, the state that is most likely to lose its forests due to mining is Montana, and Montana is located in the northern region of the United States.
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a woman is a healthy carrier of the cystic fibrosis gene (a recessive trait) and her husband is an unaffected male. what is the probability of an unaffected child from this pairing
The probability of having an unaffected child from the pairing = 0.5
Assumption
Let ; X = Dominant trait
y = recessive trait
The woman been a healthy carrier will have an allele combination of ; Xy
while the unaffected male will have = XX
Their offsprings will have the following allele combinations
X X
X XX XX
y Xy Xy
Number of allele combinations = 4
Number of carrier = 2
Number of unaffected = 2
∴ probability of having an unaffected child = 2/4 = 0.5
Hence we can conclude that The probability of having an unaffected child from the pairing = 0.5
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the cells in this part of a plant transport water and nutrients throughout the plant. want is the most likely structure of specialized cells whose function it is to transport water and nutrients throughout a plant.
Answer:
Vascular tissue
Explanation:
Most carbon dioxide is carried from the body tissues to the lungs _____. Most carbon dioxide is carried from the body tissues to the lungs _____. as bicarbonate ions (HCO3 -) combined with hemoglobin by the trachea as hydrogen ions (H ) dissolved in blood plasma
Answer:
As bicarbonate ions
Explanation:
Answer:
it a
Explanation:
yw
. If a substance changes form one phase to another, is it still the same substance?
Answer:
Yes
Explanation:
A phase change does not change the chemical make-up of a substance. Phase changes are typically temperature dependent, and change only the movement and physical arrangement of the atoms and molecules in the substance. Water, for example, is composed of two hydrogen atoms attached to an oxygen atom by covalent bonds. That stays the same whether the water is solid (ice), liquid (water), or gas (steam). The chemical structure of water does not change as it goes through the different faces. It's still water. What does change is the speed at which the molecules move and how far apart they are as a result. Water vapor consists of molecules moving quickly and at random. As temperature drops, water molecules slow down. Since water is slightly polar, hydrogen bonds form between the molecules bringing them closer together.
A cell in a multicellular organism receives a signal to increase production of a transmembrane protein found in the cell membrane. Which of the following combinations of structures is expected to be directly involved in the process?
a) Nucleus, chloroplast, cytoskeleton, ribosome
b) Nucleus, ribosome, ER, Golgi complex
c) Lysosome, mitochondria, Golgi complex, cytoskeleton
d) Chloroplasts, nucleus, mitochondria, lysosome
I know that c is wrong, but could someone help explain which is the right one and why c is wrong?
Answer:
b) Nucleus, ribosome, ER, Golgi complex
Explanation:
"B" is correct because, with protein production, DNA must first be transcripted to RNA in the nucleus, then the RNA travels to a ribosome at the ER to start translation (RNA to amino acid sequence). Finally, it is sent to the Golgi complex to be further processed and/or sorted to be transported to its destination (in this case, it will be sorted to be transported to the cell membrane).
"C" is incorrect: the mitochondria, cytoskeleton, and lysosome do not play a direct role in protein synthesis.
The cytoskeleton is primarily involved with maintaining the structure of the cell along with spindle development in mitosis.The mitochondrion is "the powerhouse of the cell" and is mainly involved with cellular respiration: the process of converting glucose to energy (ATP).Lysosomes' typical function is to break down excess/worn-out organelles and to kill pathogens. Lysosomes have been hypothesized to be part of protein synthesis; however, it has not been confirmed yet.How do organisms get the energy they need? * 2 points by burning food molecules in their lungs, and releasing their energy as sugars by breathing carbon dioxide into the lungs and combining it with oxygen by breaking down food molecules and transferring their chemical energy to ATP by absorbing atmospheric chemicals into their bodies through the liver
Answer:
by breaking down food molecules and transferring their chemical energy to ATP
Explanation:
All living organisms require energy in order to perform their cellular functions. These energy is in form of ATP (Adenosine triphosphate), which is the usable form of energy by cells. Organisms are able to obtain this energy via a process called CELLULAR RESPIRATION.
Cellular respiration involves the breaking down of glucose molecule (derived from the food intake) in a series of metabolic reactions to yield ATP (energy). In other words, organisms breakdown food molecules and transfer the chemical energy stored in their bonds into ATP.
what happens to the electrons produced in photolysis?
When the electrons leave the chlorophyll molecules, it leaves behind a 'hole. ' This electron hole is filled in by a water molecule that is oxidized, or loses electrons, as it essentially splits into two hydrogen atoms, or protons, and an oxygen atom.
Answer:
Photolysis. When the electrons leave the chlorophyll molecules, it leaves behind a 'hole.'. This electron hole is filled in by a water molecule that is oxidized, or loses electrons
Explanation:
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3) Plants have developed many methods of seed dispersal. The table below shows seeds of two different
plants
Plant Mass of Seed (9) Seed Shape
Milkweed
0.00588
Dandelion
0.0026
How has the seed dispersal method developed by these plants given them a reproductive advantage?
A. The method ensures that offspring will be dispersed and reduces competition for resources.
B. The method reduces the chance that herbivores will consume the seeds.
C. The method lengthens the life cycle of each of these plants.
D. The method reduces the plants' need for water and other nutrients.
7D (S)
39
Answer:
B.The method ensures that offspring will be dispersed and reduces competition for resources.
Explanation:
What is the primarily determines the speed of muscle fiber contraction?
a. amount of actin and myosin
b. amount of actin atpase
c. diameter of the muscle fiber
d. speed of myosin atpase
The speed of muscle fiber contraction is primarily determine by the speed of myosin ATPase; option D.
What determines the speed of muscle fiber contraction?Muscle fiber contraction occurs when a single muscle fiber or group of fibers on receiving a signal from the the brain through the nerves begins to contract and increase the tension within the muscle.
The components of a muscle fiber contraction include:
actin filamentsmyosinmyosin ATPase - an enzyme that determines the speed of contractionIn conclusion, effective muscle fiber contraction involves the coordinated activity of all the muscle contraction components.
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What happens during G₁ phase?
During G1 phase, the cell grows in size and synthesizes mRNA and protein that are required for DNA synthesis. Once the required proteins and growth are complete, the cell enters the next phase of the cell cycle, S phase. The duration of each phase, including the G1 phase, is different in many different types of cells.
to begin with in G1 segment, the cellular grows bodily and will increase the volume of each protein and organelles. In S phase, the mobile copies its DNA to supply two sister chromatids and replicates its nucleosomes. subsequently, G2 section entails similarly cellular boom and business enterprise of cellular contents.
G1 - segment is likewise called anaphase, as in the course of this section the cellular shops ATP for cellular department.
The G1 phase is frequently referred to as the increase phase, due to the fact this is the time in which a cell grows. in the course of this phase, the cellular synthesizes diverse enzymes and vitamins which can be wished later on for DNA replication and cellular department.
G1 section collectively with the S phase and G2 section comprise the long increase period of the cell cycle cell department referred to as interphase that takes region before cellular department in mitosis (M phase). all through G1 segment, the cellular grows in size and synthesizes mRNA and protein which are required for DNA synthesis.
In G1, cells accomplish most in their growth; they get larger in size and make proteins and organelles wanted for regular functions of DNA synthesis. here, proteins and RNAs are synthesized, and, extra in particular the centromere and the alternative components of the centrosomes are made.
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Select all that apply. Ecosystems _____.
can be small
can be large
are made of biomes
only have living parts
have nonliving parts
Answer:
all of them apply
Explanation:
In my opinion all of them apply (except the 4th one). Ecosystems can be small, big, have living and non-living parts and they are made of biomes. Not only can ecosystems vary in size, but they can also differ in just about every imaginable biotic or abiotic feature.
which of the following is the site of carbon dioxide uptake by a plant? a. root b. hairs c. leaves d. rhizomes
e. internodes
The site of carbon dioxide uptake by a plant is primarily the leaves. Leaves play a crucial role in photosynthesis, the process by which plants convert carbon dioxide and sunlight into glucose and oxygen. The correct option is C.
The leaf's specialized structures called stomata, primarily located on the underside of the leaf, enable the exchange of gases. When stomata open, carbon dioxide enters the leaf from the surrounding atmosphere and diffuses into the plant's cells.
The presence of chloroplasts, which contain the pigment chlorophyll, allows for the absorption of sunlight necessary for photosynthesis.
Through a series of biochemical reactions, carbon dioxide is converted into glucose, providing energy for the plant's growth and development.
While other plant structures such as roots, hairs, rhizomes, and internodes are essential for various functions, they are not the primary sites for carbon dioxide uptake. Therefore, the correct option is C.
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dna polymerase iii ""reads"" a template strand and synthesizes a complementary strand of dna in the ________ to __________ direction
DNA polymerase III reads a template strand and synthesizes a complementary strand of DNA in the 5' to 3' direction.
DNA polymerase III is an enzyme involved in DNA replication, responsible for synthesizing a new DNA strand during the replication process. It reads a template strand, which serves as a guide, and generates a complementary strand by adding nucleotides in a specific direction. The directionality of DNA synthesis is crucial for accurate replication.
The direction in which DNA polymerase III synthesizes the new strand is referred to as the 5' to 3' direction. This means that the enzyme adds nucleotides to the growing DNA chain starting from the 5' end (where the phosphate group is attached to the 5' carbon of the sugar) and moving towards the 3' end (where the hydroxyl group is attached to the 3' carbon of the sugar). The template strand acts as a template for complementary base pairing, guiding the synthesis of the new strand.
This 5' to 3' directionality is a fundamental aspect of DNA replication. It ensures that the new DNA strand is synthesized in the correct sequence, complementary to the template strand. Additionally, DNA polymerase III can only add nucleotides to the 3' end of an existing DNA or RNA strand, requiring a primer to initiate replication. This primer provides the necessary 3' hydroxyl group for nucleotide addition.
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Select all of the following that are present in both prokaryotic cells and eukaryotic cells.
- nucleus
- cytoplasm
- pigments
- DNA
- RNA
- ribosomes
DNA, RNA, ribosomes, pigments, cytoplasm, and prokaryotic and eukaryotic cells all contain these components.
Are mitochondria present in eukaryotes and prokaryotes alike?There are mitochondria only in eukaryotic cells. Only eukaryotic cells contain the mitochondria, a cytoplasmic membrane-bound organelle. Mitochondria are not present in prokaryotic cells, which include bacteria and archaea.
Why do prokaryotes lack mitochondria?They lack a nucleus, thus the genetic material inside each cell is free to move around. Furthermore, eukaryotic cells' many membrane-bound organelles are absent from prokaryotes. Prokaryotes lack mitochondria as a result. Some cell types, including red blood cells, are completely devoid of mitochondria. Bacteria and archaea are prokaryotic creatures and lack mitochondria.
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What is the relevance of osmosis to the root hair cells?
Answer:
absorb water from the soil by osmosis.
Explanation:
Root hair cells
Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption