which of the following is not part of thecytoskeleton? a) intermediate filaments b) actin filaments c) microtubules d)centrioles
Answers
The cytoskeleton is not a component of centrioles. Microtubules make up centrioles in cells.
Microfilaments, intermediate filaments, and microtubules make up the intracellular network known as the cytoskeleton. Microtubules, actin filaments, and intermediate filaments comprise a cell's cytoskeleton. The cell's form and internal organisation are provided by these structures. Additionally, they serve as a foundation for cell division and mobility. Other cell components are organised by the cytoskeleton, which also keeps the cell's form and regulates the movement of the many organelles inside the cell as well as the movement of the cell itself.
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Related Questions
Measurements taken in observing a plant grow 1cm over a one-week
period are called
a. hypothesis
b. theories
c. data
d. variables
Give an explanation for your answer.
Answers
Measurements taken in observing a plant grow 1cm over a one-week period are called Data. The correct answer is (C).
Measurement is the process of determining the quantity of physical quantity of a given plant. The process of determining the growth of a plant is known as plant growth measuring. The increase in a plant's growth over a one-week period can be considered to be an example of quantitative data because it is quantifiable and measurable using some specific units of measurement. It is then recorded and analyzed in order to provide a comprehensive and concise evaluation of the plant's growth rate. Data is the term used to describe the results of these evaluations, making option C (Data) the correct answer to the given question.
Measuring plant growth is an essential step in understanding the requirements for optimal plant growth and development. By measuring plant growth, scientists and gardeners can determine the most appropriate amount of water and nutrient that is required by the plant to grow optimally. They may also detect some defects or disorders that a plant may be suffering from. The data collected from this process is used to gain insight into the various processes involved in plant growth and development and to develop optimal growth conditions for the plants.
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treating bacteria, like e. coli, with a cold solution of calcium chloride can make the cells more receptive to take up dna from a solution. bacterial cells prepared by this process are referred to as: group of answer choices
Answers
The ice-cold calcium chloride \(CaCl_{2}\) solution makes it easier for DNA to adhere to the cell's surface and subsequently enter the cell following a brief heat shock. Typically, selection or screening markers like drug resistance or fluorescence are used to identify altered cells.
If E. coli cells' cell walls are modified to allow DNA to pass through more freely, the likelihood that the cells will integrate foreign DNA increases. These cells are described as "capable." Among the capable cell preparation techniques, the calcium chloride transformation approach is the most effective one. It enhances plasmid DNA incorporation by the bacterial cell, promoting genetic modification. Plasmid DNA can attach to LPS by being added to the cell suspension together with calcium chloride. Thus, when heat shock is applied, the negatively charged DNA backbone and LPS combine, and plasmid DNA enters the bacterial cell.
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simple ways that you think we should do to prevent non-renewable resources to run out and renewable resources on becoming non-renewable.
Answers
1. Reduce, reuse, and recycle: This is a simple but effective way to conserve natural resources. By reducing our consumption of products, reusing items as much as possible, and recycling materials, we can reduce the amount of waste we produce and conserve resources.
2. Use energy-efficient appliances: Energy-efficient appliances use less electricity and can help reduce our reliance on non-renewable energy sources.
3. Use public transportation, carpool, or bike: Transportation is a major source of carbon emissions, which contribute to climate change. By using public transportation, carpooling, or biking rather than driving alone, we can reduce our carbon footprint and conserve fossil fuels.
4. Support renewable energy: Supporting renewable energy sources like wind, solar, and hydroelectric power can help reduce our reliance on non-renewable resources.
5. Conserve water: Water is a finite resource, and conserving it can help prevent it from becoming scarce. Simple steps like fixing leaks, taking shorter showers, and using water-efficient appliances can help conserve water.
6. Support sustainable agriculture: Supporting sustainable agriculture practices like organic farming and crop rotation can help conserve soil and prevent it from becoming degraded.
7. Plant trees: Trees absorb carbon dioxide from the atmosphere and help mitigate the effects of climate change. Planting trees can also help conserve water and prevent soil erosion.
These are just a few examples of simple ways to conserve natural resources and prevent them from becoming depleted or non-renewable.
Answer:Actions like driving electric and hybrid vehicles, installing solar panels on and properly insulating places like business and home, and using energy-efficient appliances are all smaller-scale changes that you can make to reduce your nonrenewable resource
Which of the following is the best explanation for why extinctions are more likely with longer growing seasons in this simulation of Isle Royale? With more plants available... moose are healthier on average and can avoid wolves, leading to extinction of the wolves, larger populations of moose and wolves are more vulnerable to environmental fluctuations, increasing the chance of extinction there is not enough room for moose to move around the island looking for food, leading to extinction of the moose and then the volves moose and then wolf populations grow larger during cycle peaks--with enough wolves, all moose are eaten, leading to extinction for both
Answers
The best explanation for why extinctions are more likely with longer growing seasons in the simulation of Isle Royale is that larger populations of moose and wolves become more vulnerable to environmental fluctuations, increasing the chance of extinction.
In the simulation of Isle Royale, a longer growing season leads to more plants being available, which results in healthier moose populations on average. When moose are healthier, they can avoid wolves more effectively, leading to the extinction of the wolf population. However, this is not the primary explanation for the increased likelihood of extinction.
The main reason for the higher likelihood of extinctions with longer growing seasons is that larger populations of moose and wolves become more vulnerable to environmental fluctuations. During peak cycles, both moose and wolf populations grow larger. However, with a sufficient number of wolves, they are able to consume all available moose, which eventually leads to the extinction of both species. This cyclic relationship between moose and wolves, known as predator-prey dynamics, is influenced by the availability of food resources.
When the growing season is longer and more plants are available, it can support larger populations of moose. As a result, the moose population exceeds the carrying capacity of the island, and the competition for limited resources intensifies. This heightened competition, coupled with the cyclic nature of predator-prey dynamics, increases the chances of extinction for both moose and wolves.
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A strand of mRNA has the bases guanine-adenine-uracil. Which amino acid
corresponds to these bases?
A. Val
B. Arg
C. Asp
D. Ser
Answers
Answer:
c asp
Explanation:
If the gametes produced by a given organism contain 6 chromosomes, how many chromosomes are found in that organism’s body cells
Answers
Answer:
I think 6
Explanation:
Answer:
The answer is 12
Explanation:
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Water has the ability to dissolve salts and carry dissolved carbon dioxide. How does this action help the human body maintain homeostasis?
A.) Both are involved in providing energy to the cells.
B.) These materials can be cycled through the body.
C.) The body will be able to absorb materials it needs from the environment.
D.) Waste can be removed from the cells of the body.
Answers
Answer:
i think its D
Explanation:
Because homeostasis is to maintain the internal enviroment of an organsism body constant .
organs responsible for homeostasis :
lungs: keep the concentration of carbondioxide and oxygen constant
skin: regulates the body temperature
kidney: regulates the concentration of water and urea
liver : regulates blood sugar level
To maintain the same concentrations inside the cells as outside of them, the blood's water and mineral ion levels are regulated. By preventing too much water from entering or exiting the cells through osmosis. Thus, option D is correct.
What action help the human body maintain homeostasis?Your body makes use of hormones like glucagon and insulin to maintain homeostasis. Insulin is released to counteract this alteration if your blood glucose level is too high.
Insulin helps your body cells absorb extra sugar from your blood. Glucagon reacts immediately if your blood glucose level is low.
The neural and endocrine systems maintain homeostasis. A response to a stimulus known as negative feedback keeps a variable near to a predetermined value.
Therefore, Waste can be removed from the cells of the body by homeostasis.
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what is meant by locomotor skill
Answers
Answer:
Body moving from one place to another in a vertical plane. Develop bodily control. Walking, running, leaping, jumping, hopping, galloping, sliding, & skipping.
Explanation:
Sartre asserts that we can rely only on those things within our power of control and on the sum of possibilities that made our actions possible, there are other people,
however, who have the same freedom, and thus we cannot control them "Can you cite your personal experience, an instance, or a situation that you're into that you don't
have control of your situation?
Answers
Answer:
Global is a better source of energy to help for the future but the most likely need for a better deal to help the government with a the market to help build the up for the future and hopefully we can have a better solution for the next few weeks before we
Explanation:
Gdysgs udhdhdvd the on 66666666 will have 3rd of March off and the other one is going to be the first thing I want to say to you and the other one you have in the past and have been working with in the past and have been working with in the past and have been working with in the past and have been working with in the past and have been working with in the past and have been working with in the past and have been working with in the past and have been working with
6 and I have been working g with the other people who worked in various projects and I have been working with in the past and have been working with in the past and have been working with in the past
Which statement below best explain the difference between microevolution and macroevolution
A. Biodiversity (macroevolution) is a result of natural selection whereas microevolution studies changes due to extinction
B. Natural selection (microevolution) focuses on a adaptation change within a species whereas macroeveolution studies similar features among species
C. Evolution (both micro & macro) takes thousands or millions of years; however, due to the complexity of DNA- microevolution usually takes longer.
D. Microevolution explains how new & different species evolve from natural selection and Macroevolution studies the different anatomical features from the DNA mutations.
Answers
Answer:
C
Explanation:
A single b lymphocyte can recognize multiple antigenic determinants. true false
Answers
This statement is true. A single B lymphocyte can recognize multiple antigenic determinants.
Receptors on B lymphocytes, known as immunoglobulins or antibodies, are highly selective for the antigenic determinants they are designed to target. Yet one cell has multiple antibodies. This allows detection of many antigenic determinants. By forming antibodies, B cells are essential for pathogen-specific immunity. Immunoglobulin immobilized on the surface of B lymphocytes enables them to recognize soluble antigens and develop into plasma cells that can secrete immunoglobulins and produce antibodies. B cells also release cytokines and present antigens. For this reason they are called professional antigen-presenting cells (APCs). An animal's B cells originate in the bone marrow, which makes up most of the bones. B cells arise in the bursa of Fabricius, a lymphoid organ in birds.Therefore, the statement is true.
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Why is the Petri dish a good place to grow bacteria?
Answers
Answer:
Cheap and great environment/nutrients
Explanation:
Petri Dishes are filled with nutrients and a bacteria specific surface to promote quick and visible grow
The type of galaxy that would look the most like the Milky Way is a
Answers
Answer:
Spiral Galaxy NGC 3949: A Galaxy Similar to the Milky Way.
Object Description: Spiral Galaxy
Object Name: NGC 3949
Constellation: Ursa Major
Explanation:
I think your answer should be Spiral. But I'm not sure
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A burn caused by boiling water causes proteins inside your cells to lose their functions. Explain why the high temperature causes this to happen? A.The increased temperature disrupts covalent bonds such as peptide bonds which causes the proteins to lose their primary structures and abilities to catalyze reactions. B.The increased temperature disrupts weak interactions such as hydrogen bonding which causes the proteins to lose their primary structures and abilities to catalyze reactions. C.The increased temperature disrupts weak interactions such as hydrogen bonding which causes the proteins to lose their tertiary structures and abilities to bind specific molecules. D.The increased temperature disrupts covalent bonds such as peptide bonds which causes the proteins to lose their tertiary structures and abilities to bind specific molecules.
Answers
C) The increased temperature disrupts weak interactionses such as hydrogenn bondding which causes the proteins to lose their tertiary structures and abilities to bind specific molecules.
Proteins are complex, three-dimensional molecules that are made up of long chains of amino acids held together by peptide bonds. The sequence of amino acids determines the protein's primary structure, while its final folded shape is determined by interactions between amino acids that create the protein's secondary, tertiary, and quaternary structures. These structures are held together by a variety of weak interactions, including hydrogen bonds, ionic bonds, and Van der Waals forces.
When a burn caused by boiling water occurs, the high temperature causes the hydrogen bonds and other weak interactions that hold the protein's tertiary structure together to break. As a result, the protein loses its three-dimensional shape, which is critical for its ability to perform its functions. This can cause the protein to become denatured, which means that it has lost its ability to bind to specific molecules or catalyze chemical reactions. Denaturation can also cause the protein to aggregate or clump together, which can interfere with cellular processes.
In summary, the high temperature caused by a burn disrupts the weak interactions such as hydrogen bonding that hold the protein's tertiary structure together. This leads to the protein losing its shape and function, and becoming denatured.
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Which would be a consequence of the removal of predators from a population such as the trinidadian guppy population? see concept 52.5 (page 1185) which would be a consequence of the removal of predators from a population such as the trinidadian guppy population? see concept 52.5 (page 1185) guppies would produce fewer but larger offspring. primary producers such as algae would overgrow. guppy color patterns would change; guppies would produce fewer but larger offspring; the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase. the nitrogen excretion rate would increase. guppy color patterns would change?
Answers
Answer:
Guppy color patterns would change; guppies would produce fewer but larger offspring; the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase.
Explanation:
Guppies color patterns would change and they would produce fewer but larger offspring. Due to the increment, the nitrogen excretion rate would increase and the rate of growth of primary producers such as algae would increase.
The end result of technology is best described as:
O A. the result of a type of scientific experiment.
O B. the growth of new political ideas through science.
O C. controversial new ideas questioned by society.
O D. products or processes that help solve problems.
Answers
Answer:
D. products or processes that help solve problems.
Explanation:
how does human dna fit into a nucleus? group of answer choices dna is microscopically small and thus naturally fits into the nucleus eukaryotic dna needs to be folded on several levels to become compact enough to fit into the nucleus
Answers
The eukaryotic dna needs to be folded on several levels so that it becomes compact enough to fit into the nucleus.
Deoxyribonucleic acid is a polymer composed of polynucleotide chains that coil spherical each one-of-a-kind to form a double helix. The polymer includes genetic instructions for the development, functioning, boom and replica of all seemed organisms and lots of viruses.
In all dwelling things, DNA is vital for inheritance, coding for proteins, and offering instructions for life and its tactics. Human cells commonly consist of 23 pairs of chromosomes, for a complete of forty six chromosomes in every cell.
Most DNA is positioned within the cell nucleus. Mitochondria are structures within cells that convert the power from meals right into a shape that cells can use.
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Phase changes occur when _____ is gained or lost from a substance.
Answers
A species that remains when an acid has lost a proton is a.
Answers
Which process includes G1, S, and G2?
interphase in the cell cycle
mitosis in the cell cycle
meiosis in the cell cycle
spindle formation in the cell cycle
Answers
Answer:
interphase in the cell cycle
Read the excerpt from The Odyssey. ‘Out to sea again!' My men were mutinous, fools, on stores of wine. Sheep after sheep they butchered by the surf, and shambling cattle, feasting,—while fugitives went inland, running to call to arms the main force of Cicones. This was an army, trained to fight on horseback or, where the ground required, on foot. They came with dawn over that terrain like the leaves and blades of spring. So doom appeared to us, dark word of Zeus for us, our evil days.
Answers
Answer:
it is C
Explanation:
took it on edge 2020
Answer:
c d e
Explanation:
Instead of a brown bear, in the taxonomy example in the lesson, let's say we had a giant panda. Which taxa would change? Find out what they would change to and report your findings here.
Answers
A bear belongs to the phylum Chordata (because it has a spine), the class Mammalia (mammals have many distinguishing characteristics, including hair and producing milk for their young), the order Carnivora (will usually eat meat--some bears are exceptions in this category), the family Ursidae (the bear family of animals). The genus and species are the particular type of bear, in this case, let's say it's a brown bear. So our genus would be Ursus, and our species would be arctos. Yes. I think so it's like that.
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Hope it helps you...Answered by Benjemin
estrogen (ers) and progesterone (prs) receptors used as tumor markers are most commonly employed to provide prognostic information about:
Answers
Estrogen and progesterone receptors are used as tumor markers and are most commonly used to provide prognostic information about breast cancer.
Breast cancer is a disease that occurs when malignant cells form in the breast tissue. The two main types of breast cancer are invasive ductal carcinoma and invasive lobular carcinoma. Invasive ductal carcinoma accounts for 80% of all breast cancer cases. This type of cancer forms in the milk ducts of the breast tissue.
Estrogen and progesterone are hormones that are present in the human body, and they play a crucial role in the development of breast tissue. The presence or absence of estrogen and progesterone receptors in breast cancer cells can be used to determine the best treatment options and predict the prognosis of the disease.
If a breast cancer patient's tumor tests positive for estrogen and progesterone receptors, it is called hormone receptor-positive breast cancer. Hormone receptor-positive breast cancer is more likely to respond to hormone therapy, which uses medications to block the effects of estrogen and progesterone on cancer cells. On the other hand, if a tumor tests negative for these receptors, it is called hormone receptor-negative breast cancer, which has a lower chance of responding to hormone therapy.
In conclusion, estrogen and progesterone receptors are used as tumor markers to provide prognostic information about breast cancer, which can help doctors determine the best course of treatment for the patient.
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Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as:
Answers
Hardwired characteristics of the brain that attempt to keep us in balance by correcting deficiencies are referred to as homeostatic mechanisms.
Homeostasis is the body's ability to maintain a stable internal environment despite external changes.
In the context of the brain, homeostatic mechanisms involve various processes that regulate physiological functions and maintain optimal levels of essential substances.
These mechanisms can include feedback loops that detect imbalances and initiate corrective actions.
For example, if there is a deficiency in a particular nutrient or hormone, the brain may activate mechanisms to increase its production, decrease its consumption, or enhance its absorption from the environment.
Homeostatic mechanisms play a crucial role in ensuring the body's overall stability and functioning, helping to maintain proper levels of various substances and promoting overall well-being.
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Malaria is a disease caused by parasites that reproduce within red blood cells. Malaria can cause fever, chills, nausea, flu-like symptoms, and in some cases, coma and death. This disease is prevalent in warm climates, especially South America, Africa, and the southern portions of Asia.
Sickle-cell anemia is a genetic disorder that causes red blood cells to change shape when they are deoxygenated. The resultant sickle-shaped blood cells can get stuck in blood vessels and cause damage and pain. This disease is also prevalent in South America, Africa, and Asia.
Lately, it was discovered that people who carry the sickle-cell trait heterozygously are resistant to malaria. How could biotechnology best use this infomation to help people living in these areas?
A.
Biotechnology could be used to make the climate cooler so that mosquitoes are unable to breed.
B.
Biotechnology could be used to insert the malaria resistant genes without causing sickle cell anemia.
C.
Biotechnology could be used to eliminate all sickle-cell genes.
D.
Biotechnology could be used to alter the mosquito DNA.
Answers
Answer:
A. Biotechnology could be used to make the climate cooler so that mosquitoes are unable to breed.
Explanation:
Lately, it was discovered that people who carry the sickle-cell trait heterozygously are resistant to malaria. How could biotechnology best use this information to help people living in these areas?
Two or more atoms held together by covalent bonds form a(n)
A. Ion
B. Molecule
C. Solution
D. Compound
Answers
The study of chemicals and bonds is called chemistry. when anything which can exist independently is called a molecule.
The correct answer to the question is option D that is compound.
Covalent bond?The bond which is formed by the sharing of electrons is called a covalent bond.Only metals and nonmetals form the covalent bond.According to the question, When Two or more atoms held together by covalent bonds form a compound.
Hence, the correct answer is option D.
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Which of the following statements about science is accurate?
a. science deals with the investigation of supernatural events and creatures.
b. science is a list of beliefs and facts that is constant and unchanging.
c. science involves collecting and organizing data about the natural world.
d. science is the process of finding evidence that supports what you already think.
Answers
Answer:
c. science involves collecting and organizing data about the natural world.
Explanation:
The statement which is accurate about science is as follows:
Science involves collecting and organizing data about the natural world.Thus, the correct option for this question is C.
What is Science?Science may be defined as a branch of scientific study that involves the application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence.
It can broadly be classified into three categories such as Physics, Chemistry, and biology. Each sub-classification illustrates its own field of detailed study.
Science always deals with the concept of collecting and organizing data that is significantly associated with the natural world. This branch of scientific study demonstrates valid and accurate evidence that claims facts remarkably based on the natural world and its phenomena.
Therefore, the correct option for this question is C.
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reganglionic sympathetic fibers typically synapse with sympathetic chain ganglia unless they pass through, forming____________nerves that instead enter collateral ganglia.
splanchnic
Answers
preganglionic sympathetic fibers typically synapse with sympathetic chain ganglia unless they pass through, forming splanchnic nerves that instead enter collateral ganglia.
The sympathetic nerves enter the spinal cord through the intermediolateral horn and exit through the T1 through L2 segments. Before the postganglionic nerve fibers reach the target tissue, the preganglionic nerve fibers synapse in either the paravertebral sympathetic chain ganglia or the prevertebral ganglia.
The splanchnic nerves are bilateral autonomic nerves that supply stomach and pelvic viscera. Except for the pelvic splanchnic nerves, which carry preganglionic parasympathetic fibers, all splanchnic nerves carry preganglionic (presynaptic) sympathetic fibers.
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what are heterosporous plants
Answers
Heterosporous plants are the ones that produces two different type of spores. Spores can be different in shape and size and that's the name heterosporous. It produces two different shaped spores to differentiate between male and female gametophytes
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Dna sequence differences, metabolism, and cell structures viewed under the microscope are ways that scientists identify and classify ______ organisms.
Answers
Based on cell structure, metabolism and DNA sequence scientists identify and classify prokaryotic organisms.
Cell is the smallest unit that makes up the body of living things and is the place where the functions of life are carried out. Cells based on their structure are divided into two, namely prokaryotic and eukaryotic cells.
Prokaryotic cells are cells that do not have a nuclear membrane and the cell wall structure consists of peptidoglycan, lipids, and proteins. Prokaryotic cells are single cells that are smaller than eukaryotic cells. Therefore, prokaryotic organisms can only be seen through a microscope and their classification is based on DNA sequence, metabolism, and cell structure.
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