Spindle fibers are composed of which type of protein?

Answers

Answer 1

Answer:

Hey there. The answer should be Tubulin.

Explanation:

Spindle fibres are formed from microtubules which are made up of a protein called Tubulin.


Related Questions

A fishing method called, ____ fishing, is used to catch surface-dwelling species such as tuna, mackerel, anchovies, and herring, which tend to feed in schools near the surface or in shallow areas.

Answers

Answer:

purse-seining

Explanation:

if you need explanation,comment so

the digestive system of most animals is lined with cells through which nutrients are absorbed. what is the embryonic origin of these cells?

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Answer:

Further breakdown of food takes place in the small intestine where enzymes produced by the liver, the small intestine, and the pancreas continue the process of digestion. The nutrients are absorbed into the bloodstream across the epithelial cells lining the walls of the small intestines.
The answer is Endoderm.
Have a great day/night !

please help me with insects with out piercing and sucking mouth parts and the reason why. please help me I really request.​

Answers

Answer:

Insects have a range of mouthparts, adapted to particular modes of feeding. The earliest insects had chewing mouthparts. Specialization has mostly been for piercing and sucking, although a range of specializations exist, as these modes of feeding have evolved a number of times (for example, mosquitoes and aphids (which are true bugs) both pierce and suck, however female mosquitoes feed on animal blood whereas aphids feed on plant fluids. In this page, the individual mouthparts are introduced for chewing insects. Specializations are generally described thereafter.

Explain why contractile vacuoles would be of little value to one-celled organisms living in the ocean (salt water)

Answers

In salt water, the solute concentration outside the cell is more than inside the cell so the water flows out of the cell down the concentration gradient. Therefore, contractile vacuoles are not required for expelling water.

The organisms living in an aquatic environment have to undergo osmoregulation and survive in a hypotonic environment. The organisms such as paramecium, protists, and unicellular algae have contractile vacuoles.

The functions of the contractile vacuoles include:

1. Contractile vacuoles help in the osmoregulation, such that the movement of solute particles inside and outside of the cells.

2. The contractile vacuoles are also required to remove excess water from the organisms.

3. The vacuoles contract to discharge the fluid for the survival of organisms like paramecium and algae.

Thus, the contractile vacuoles contract to allow the organisms to survive in a hypotonic environment.

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what is the difference between ribose and deoxyribose

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Answer: Ribose is a pentose sugar and is found in DNA. Ribose binds a phosphate at the 3′ position

Ribose is a 5-carbon simple sugar. The chemical formula of this sugar molecule is H−(C=O)−(CHOH)4−H. This is the prime component of ribonucleic acid strands. It forms ribonucleotides.


Deoxyribose is a hexose sugar and is found in RNA. Deoxyribose binds a phosphate at the 2′ position. deoxyribose has one less oxygen molecule than ribose.

Deoxyribose, on the other hand, is a monosaccharide too. It also has the same 5-carbon formula as that of ribose sugar but loses an oxygen atom. Its chemical formula is H−(C=O)−(CH2)−(CHOH)3−H

which specialized structures are unique to the cnidarians?

Answers

Explanation:

Cnidarians contain specialized cells known as cnidocytes (“stinging cells”) containing organelles called nematocysts (stingers).

Cnidarians have stinging cells which are known as cnidocytes. This is the unique feature of cnidarians.

What are cnidarians and their characteristics?

The class Soft-bodied stinging creatures like corals, sea anemones, and jellyfish are categorized as Cnidaria. Nearly every ocean ecosystem contains cnidarians. They may survive in warm or cold, shallow or deep water. Freshwater is home to a few species. Cnidarians can either live alone or in colonies.

Cnidarians share a number of fundamental traits. Cnidaria is all aquatic organisms, primarily marine ones. All of them have stinging tentacles called nematocysts that they utilize to capture prey. Cnidarians have just two body layers: the ectoderm and endoderm, which are divided by a layer that resembles jelly and is known as the mesoglea.

Thus, cnidocytes are unique features of cnidarians.

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PLEASE HELP ME IM TIMED!

Answers

Answer:

C

Explanation:

proteins have a chemical composition of hydrogen carbon oxygen nitrogen and sometimes sulfur

what is the main factor that separates the biomes?

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Answer:

Terrestrial biomes are distinguished primarily by their predominant vegetation, and are mainly determined by temperature and rainfall. Differences in temperature or precipitation determine the types of plants that grow in a given area .

The main factor that separates the biomes by predominant vegetation, temperature and rainfall.

What is biomes?

Biomass is plant-based material used as fuel to produce heat or electricity. Examples are wood and wood residues, energy crops

Terrestrial biomes are distinguished primarily by their predominant vegetation, and are mainly determined by temperature and rainfall.

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Phân biệt các bệnh của bệnh di truyền đơn gen

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Explanation:

please tell in english

the first group of animals to colonize land was likely

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Answer:

horses

Explanation:

pls helppppppppppp really need help

Answers

Answer:

16: Genes

17: Proteins

18: Offspring

19: Blueprint

20: Code, Dna, Rna

Explanation:

I hope this helps :)

Where does mixed livestock and crop farming predominantly occur?

Answers

Answer:

Asia and in countries such as India, Malaysia, Indonesia, Afghanistan, South Africa, China, Central Europe, Canada, and Russia.

Explanation:

C1 and C2 vertebrae are also known as:

A. axis and radius

B. atlas and axis

C. atlas and radial

D. sacrum and coccyx

Answers

Your answer will be B. Due to wide range of movement

Answer:

B

Explanation:

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Under very high pressure, the volume of a given object will decrease. What effect has the pressure inside Earth likely had on the density of materials in Earth’s core?

Answers

The effects the pressure inside Earth likely had on the density of materials in Earth’s core

What is Earth's pressure?

It is made up of rock that is molten with slow-moving currents under the effect of increasing pressure and temperatures between 1,600 and 4,000 °F. Volcanic eruptions and earthquakes are caused by movement in the mantle layer.

Similar to how the temperature rises from the surface of the planet toward its center, so do the pressure. It is because of the heavy materials above, such as rocks.

The air density inside the International Space Station is kept at a level that is comparable to that of the surface of the planet. Consequently, the air pressure in the space station is equivalent to.

Therefore, the tremendous pressure inside Earth has the effect of reducing the volume of the materials, increasing their density.

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Answer:The high pressure decreased the volume of the materials, which caused their density to increase.

Explanation:

When heat is supplied to one end of a long metal rod, then which spreads at once in the entire rod. It is true? If not, justify your answer.​

Answers

True. Metals are a good conductor of heat and electricity.

It is true that when heat is supplied to one end of a long metal rod, then which spreads at once in the entire rod.

What is conduction?

Conduction is the transfer of heat energy through collisions between neighboring atoms or molecules.

Conduction occurs more easily in solids and liquids because the particles are closer together than in gases because the particles are farther apart.

Good conductors are materials that allow electricity to easily pass through them. Bad conductors are materials that do not allow electricity to easily pass through them.

Most metals are thought to be good electrical current conductors. Copper is just one of the more common materials used in conductors. Silver, gold, and aluminum are other materials that are occasionally used as conductors.

Thus, the given statement is true.

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the internal hereditary code that is inherited by one cell to another cell is the ___​

Answers

the internal hereditary code that is inherited by one cell to another cell is the Genotype?

What is the medical term for an undescended testicle?

Answers

Answer:

a. Cryptorchidism

Explanation: is correct

8. Name three things that form during the cell cycle.​

Answers

Answer:

Hair, Blood Cells, and Skin

Which type of macromolecule has the function of storing and transmitting hereditary information or genetic information?

Answers

Answer:

Nucleic acids are key macromolecules in the continuity of life. They carry the genetic blueprint of a cell and carry instructions for the functioning of the cell.

Explanation:

if am wrong plz forgive me but if I'm right brainly me plz(^∀^●)ノシ

Explain the relationship between the food we eat and the energy we have. What other reasons do we need to consume food?

Answers

The food we eat converts into energy in our body so we can operate.

Food is important because no food for a certain amount of time can cause health problems to death. This is the same for water.

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST

Answers

Answer:

25% IS THE ANSWER..........

Answer:

25% pls give brainliest

When a muscle tears away from a tendon or a tendon tears away from a bone it is known as a(n) ________.

Answers

Avulsion. I hope that helps.

What are 2 non-example of potential energy ?

Answers

Answer:

Anything that is currently moving or giving off energy such as heat, light, or magnetism would be kinetic energy instead.

Explanation:

Things like objects on top of hills, unused batteries, chemicals that haven't been mixed, would all be examples of potential energy. Even steam is an example of potential energy since it has changed to a higher energy state. But as soon as steam does something, causes an injury (scalding), or starts to turn back into water, then it is kinetic energy.

Of course, to blur the lines a bit, something can have both forms of energy at the same time. If you push a cart down a hill, the movement is the kinetic energy, but until it reaches the bottom, then it also has potential energy in the form of gravity.

Kinetic energy and thermal energy are two non-examples of potential energy as they are forms of energy related to motion and particle movement, respectively, rather than stored energy.

Kinetic energy is not an example of potential energy as it is the energy of an object in motion, while thermal energy is also related to the random motion and vibrations of particles rather than stored energy based on position or configuration.

Kinetic Energy: Kinetic energy is the energy possessed by an object due to its motion

Unlike potential energy, which is associated with stored energy, kinetic energy relates to the motion and velocity of an object.For example, a moving car or a ball thrown in the air have kinetic energy.

Thermal Energy: Thermal energy is the energy associated with the random motion of particles within a substance.

It is not a form of potential energy because it does not involve the stored energy of an object due to its position or condition. Instead, thermal energy is related to the average kinetic energy of particles within a system, determining its temperature.

Thus, kinetic and potential energy are examples of non-potential energy.

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What is the term used to describe homologous chromosomes exchanging genetic material during meiosis?.

Answers

The term used to describe homologous chromosomes exchanging genetic material during meiosis is called crossing over.

CROSSING OVER:

Crossing over is the process whereby non-sister chromatids of homologous chromosomes (similar but non-identical chromosomes from each parent) exchange genetic material.

Crossing over occurs in the prophase I stage of meiosis where homologous chromosomes lie side by side to form a structure called tetrad or bivalent.

Crossing over ensures genetic diversity in the offsprings produced meiosis.

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Answer:

crossing-over

Explanation:

Adolescent may conform with peers out of fear of

A. Becoming depressed.

B. being arrested.

C. establishing a new identity.

D. being disliked

E. Other

Answers

B. I think correct answer
I think it could be B

What are the differences and similarities between elements, atoms, molecules, and compounds?

Answers

Atoms are the thing that make up molecules and compounds. Molecules contain two or more atoms and are held together by covalent bonds, whereas compounds are held together by ionic bonds. ... The atoms within a compound also must be different from eachother, whereas a molecule can consist of only one element.

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In the cell, which organelle has the function of using oxygen in the breakdown of glucose, releasing energy and carbon dioxide? Question 19 options: ribosomes Golgi bodies mitochondria endoplasmic reticulum.

Answers

Answer:

mitochondria

Explanation:

in aerobic respiration, what is the ultimate fate of the electrons released from the breakdown of glucose?

Answers

Answer:

They are combined with oxygen and hydrogen ions to form water.

Explanation:

The electron released from the breakdown of glucose transfers in the electron transport chain and is used in the formation of a proton gradient across the membrane.

What is aerobic respiration?

In the presence of oxygen gas, cells undergo cellular respiration, which is how energy from food is produced. The majority of plants, animals, birds, humans, and other mammals all engage in this sort of respiration regularly. As byproducts of this process, water and carbon dioxide are created.

The energy that was stored in carbohydrates and lipids during photosynthesis is released during the process of aerobic respiration and made available to living things. Glycolysis, the link reaction, the Krebs cycle, and oxidative phosphorylation are the four phases.

Protons are pushed out of the matrix and into the intermembrane space as a result of the electrons moving through the electron transport chain. The electrons eventually reach oxygen, which reacts with protons to create water.

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the more energy that is present the slower the matter is able to move.
True or False

Answers

Answer: False.

Explanation:

Energy heats up molecules, making them move faster.

False. Guy above me has it right

The ordered array of an organism's chromosomes is called a(n)


allele


pedigree


karyotype


mutation

Answers

Answer:

allele is the best answer there

Answer:

I understand you probaly don't need this answer anymore but the correct answer is Karyotype.

Explanation:

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