Where do spindle fibers come from

Answers

Answer 1

Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division. Each spindle fiber forms during cellular division near the poles of the dividing cell. As they extend across the cell, they search for the centromere of each chromosome

Answer 2

Answer:

Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division.

Explanation:

Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division.


Related Questions

who diagnoses, treats, and prevents diseases in animals

Answers

Answer:

veterinarian

Explanation:

they treat animals

Answer:

Veterinarians diagnose and treat diseases and dysfunctions of animals. Specifically, they care for the health of pets, livestock, and animals in zoos, racetracks, and laboratories

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What type of carbohydrate has the most energy? Explain why this is so based on its molecular structure.

Answers

Starches are carbohydrates in which 300 to 1000 glucose units join together. It is a polysaccharide which plants use to store energy for later use. Starch forms in grains with an insoluble outer layer which remain in the cell where it is formed until the energy is needed

2. Which of the following states of water are described in the passage?

A liquid, gas, and ice
B liquid and gas only Cliquid and ice only
D gas only​

Answers

I hope this helps I think it’s


A liquid,gas, and ice
i think it’s A but we need the passage to see what he has put

tRNA molecules are recyclable
1.True
2.False

Answers

True, it can be reused

What is the function of the surface protein on the influenza virus?

Answers

Answer:

A virus surface proteins are organized to help penetrate host mucus.

Explanation:

The surface of viruses includes many copies of one type of protein that binds, or adsorbs, specifically to multiple copies of a receptor protein on a host cell.

The surface protein of influenza virus, hemagglutinin, helps the virus attach and enter host cells.

What are surface proteins?

The surface protein on the influenza virus is called hemagglutinin (HA) and it plays a critical role in the virus' ability to infect host cells. HA is a glycoprotein that protrudes from the surface of the virus and binds to specific receptors on the surface of host cells, particularly in the respiratory tract.

This allows the virus to enter the host cell and hijack its machinery to replicate and produce more virus particles. The HA protein also enables the virus to evade the immune system by constantly changing its structure through a process called antigenic drift, which prevents recognition by the host's antibodies.

The importance of the HA protein makes it a prime target for the development of vaccines and antiviral drugs against influenza.

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What is the appearance of a characteristic called
a. cell
b. trait
c. chromosomes
d. genotype

Answers

Answer:

The term "phenotype" refers to the observable physical properties of an organism; these include the organism's appearance, development, and behavior. An organism's phenotype is determined by its genotype, which is the set of genes the organism carries, as well as by environmental influences upon these genes.

Explanation: Your Not Smart I AM

Match the feature with its description.

HELP!! ASAP

Answers

Answer:

In order:

Stalactities

Stalagmites

Swallowhole

Sinkhole

The correct match of the features are:

Stalactites: Grow toward the cave floor.

Stalagmites: Grow toward the cave ceiling.

Swallow hole: A cave that has collapsed because of gravity.

Sinkhole: Where a stream disappears into the ground.

What are Stalactites?

Mineral deposits known as stalagmites and stalactites are frequently seen in caves. The pointy, downward-pointing minerals that fall from the caves' roofs give rise to the stalactites.

On the other hand, stalagmites are created when minerals that fall from the roof are deposited on the ground afterward.

Therefore, the correct options are:

Stalactites: Grow toward the cave floor.Stalagmites: Grow toward the cave ceiling.Swallow hole: A cave that has collapsed because of gravity.Sinkhole: Where a stream disappears into the ground.

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CONSIDERAS QUE ES CORRECTO DECIR QUE LOS ANTIBIOTICOS SON MALOS PARA LAS BACTERIAS? Argumenta tu respuesta

Answers

Answer:

Sí, ya que su función es matarlas o impedir que aumente el número de estas.

Explanation:

Los antibióticos actúan sobre las bacterias ya sea matandolas o evitando que la población de un determinado tipo de bacterias se reproduzca haciendo que los mecanismos de defensas presentes en nuestro cuerpo puedan actuar sobre las bacterias ya existentes.

Los antibióticos pueden ser específicos para cierto tipo de bacterias o actuar de forma general afectando a varios tipos de bacterias presentes en nuestro organismo. Si se atacan bacterias que están normalmente en nuestro cuerpo por acción indiscriminada del antibiótico, nuestro organismo sufre un desequilibrio ya que las bacterias que tendrían que estar presentes para procesar ciertos elementos o realizar otras funciones no están.

evolution of octopus

Answers

Just when we thought octopuses couldn't be any weirder, it turns out that they and their cephalopod brethren evolve differently from nearly every other organism on the planet. ... When an organism changes in some fundamental way, it typically starts with a genetic mutation - a change to the DNA.


Octopuses are known to be highly intelligent for invertebrates and display an ability to solve complex problems. Until now the origins of cephalopods, which evolved from ancient marine molluscs with shells, have been shrouded in mystery.

2. How are the differences in animal cells related to their functions?
3. How are cells organized within an animal?


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Answers

Usee socratic the app trust me it’ll tell you i use it for all my hw and tests

what are the functions of chlorophyll?

Answers

Answer:

It helps to capture the light rays that are helpful in the process of photosynthesis

what is the phenomena of cells?

Answers

Biological processes, properties, and characteristics of the whole organism in human, animal, microorganisms, and plants, and of the biosphere.

Which of the following is true about geographic barriers?

1Geographic barriers only involve mountains

2Geographic barriers can not separate organisms

3Geographic barriers separate all species

4Geographic barriers separate some organisms and not others

Answers

Answer:

I believe A makes the most sense

Explanation:

What is the name for winds that usually blow in the same direction?

Dry winds
Prevailing winds
Smart winds
Strong winds

Answers

Answer: (B) Prevailing winds

Explanation:  the name for winds that usually blow in the same direction is Prevailing winds

The name for winds that usually blow in the same direction is "Prevailing winds". Therefore, option (B) is correct.

What is prevailing winds?

Prevailing winds are the dominant winds that blow consistently over a region, resulting from the combined effects of global atmospheric circulation patterns, the Coriolis effect, and local geography. These winds typically blow from the same direction and have a significant impact on regional climate, as they can bring in moisture, temperature changes, and other weather conditions.

Prevailing winds can be important for agriculture, transportation, and other human activities that are affected by weather patterns. Therefore, option B, prevailing winds, is the correct answer

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Two black guinea pigs were crossed and they produced a litter of 4 black and 3 white guinea pigs. Which best explains this occurrence?
White fur is dominant to black fur.
White fur was the result of a mutation.
Both parents were heterozygous for black fur.

Answers

Answer:

Both parents were heterozygous for black fur.

Which of the following reduces the consumption of raw materials?
A. the use of energy efficient appliances
B. the use of smaller automobiles
C. recycling plastics, glass, aluminum, and paper
D. all of these​

Answers

Answer:

D. All of the above

Explanation:

Recycle, reduce, reuse (remember that when thinking of RAW materials)

I think it’s C, I hope it was right.

PLEASE HELP!! PICTURES ARE ADDED! PLEASE ONLY ANSWER IF FOR SURE!!

1. What are some similarities among the organisms listed on the cards? What are some differences?





2. What is the taxonomy of each organism from largest to smallest grouping?





3. What phyla do you have in your chart?




4. What classes do you have in your chart?




5. What orders do you have in your chart?




6. What families do you have in your chart?




7. Give four examples of how either some or all of the organisms in this activity are related to one another based on how they are classified.
I would like to state i need help organizing the cards so i can take a picture and send it. (as seen in question 2!) If i can give brainliest i will!! Please this will help alot!!

Answers

Answer:

im sorry the oictures arent loading but i had this in my science book ill check again

Explanation:

Answer:

Explanation:

Hey bud its Jake from ur class

which is most likely a covalent compound

a.) NaCl
b.) KCl
c.) CuF2
d.) CF4

Answers

Answer:

CF4

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What is one reason that pumpkins are more closely related to corn plants than to edible mushrooms?

Answers

Answer:

they both make their own food (pumpkin and corn)

Explanation:

what happens to carbon dioxide molecules in the body cells?​

Answers

Answer:

Carbon dioxide can be transported through the blood via three methods. It is dissolved directly in the blood, bound to plasma proteins or hemoglobin, or converted into bicarbonate. The majority of carbon dioxide is transported as part of the bicarbonate system. Carbon dioxide diffuses into red blood cells.

Explanation:

The graph models the linear relationship between the water level of the river in feet and number of days the water level measured. Which function can be used to find y, the water level of the river after x days

Answers

Answer:

option 4, y=1/4x+16

Explanation:

to solve this you must find the slope and the y intercept.

slope is rise/run, and equal to 2/8 or 1/4

then, the find the y intercept, find where the line crosses the y axis. Here it is 16.

finally you plug these answers into the slope intercept form, y=mx+b. In this form, m= slope, x=days, and b= y intercept.

after you plug in your answers you are left with y=1/4x+16.

what is a condensed structure that contains the DNA that are visible during mitosis?

Answers

Answer:
Chromosomes (two sister chromatid bonded) or Chromatids (separate parts of a chromosome)

HELP!!

What evidence do fossils provide geologists about the history of the Earth?
A. Living things have remained the same over time.
B. Environmental conditions have changed over time.
C. The amount of water on Earth has changed over time.
D. Environmental conditions have remained the same over time.​

Answers

I believe B because the world has changed in many conditions over time and the other questions fall into the aspect of Environmental change in conditions

Which best describes sponges?
A. plants
B. simple invertebrates
C. fungi
D. fish

Answers

Answer:

answer is B I guess..........

B simple invertebrates ?

how does the muscular system work with the respiratory system?

Answers

Answer:

Respiratory System and the Muscles of Inhalation and Exhalation. The muscular and nervous systems enable the involuntary breathing mechanism. The main muscles in inhalation and exhalation are the diaphragm and the intercontinental (shown in blue), as well as other muscles.

Evolution is a process of change over time. A leading theory explaining why things evolve is: *

A. Inbreeding

B. Natural Selection

C. Kin Selection

D. Natural Ingredients

Answers

B. Natural Selection

Explanation:

Natural selection is the process that adapts animals to an environment.

3 benefits for animals that goes through animal testing

Answers

Answer: one example of the benefits of biomedical research for animals can be found in the propagation of endangered species

Explanation: The ability to transfer embryos, eliminate parasitism, treat illnesses, and use anesthetic advances has improved the health and survival of many species

which of these pairs would form and ionic bond

K and Br
C and H
H and O
Cu and Cu

Answers

An ionic bond is a metal and nonmetal combined so the answer would be K and Br

Answer:

K and Br or A

Explanation:

correct on edge

Which of the following is NOT
important in an experiment?
A. working in a controlled environment
B. recording all data and keeping it consistent
C. making sure that only one variable is being changed
D. performing the experiment in the same location
that the observations were done in

Answers

Answer:

D

Explanation:

It doesn’t matter where u take ur observations

The statement which is not important in an experiment is to perform the experiment in the same location where the observations were done in. Thus, the correct option is D.

What is an Experiment?

An experiment may be defined as a scientific procedure that should be followed in order to estimate, discover, and observe a given testable hypothesis to demonstrate a valid and accurate conclusion.

The Scientific experiments should also be performed under a controlled environment where all data must be recorded and keep them consistently.

In demonstrating the valid outcome of any scientific experiment, it is required to alter only one source of variable and estimate the value of others on the basis of it.

Therefore, the statement which is not important in an experiment is to perform the experiment in the same location where the observations were done in. Thus, the correct option is D.

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what is the molar mass of Br2 in grams

Answers

Answer:

159.808 g/mol

Explanation:

Br itself is 79.904 g/mol. So multiply it by two.

The molar mass of [tex]Br_{2}[/tex] is approximately 159.808 grams per mole.

When calculating the molar mass of [tex]Br_{2}[/tex], also known as diatomic bromine, the atomic masses of the two bromine atoms (Br) found in the molecule are added together.

Bromine (Br) has a mass of roughly 79.904 grammes per mole according to its atomic weight.

Because of this, the molar mass of [tex]Br_{2}[/tex] is calculated as follows: 2 times 79.904 g/mol = 159.808 g/mol

As a result, the amount of grammes that constitute one mole of [tex]Br_{2}[/tex] is roughly 159.808.

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