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N76 [4]
4 years ago
3

Which statement best describes chromosomal movement during mitosis?

Medicine
1 answer:
iris [78.8K]4 years ago
3 0

Answer:

e. Centrioles send out microtubules, which bind to kinetochores to pull chromatids apart.

Explanation:

The centrioles are structures formed by microtubules that move to opposite poles during cell division, while the microtubules are polymers of tubulin that conform to the cytoskeleton, which provides the structure to the cell and is associated to its division during mitosis and meiosis. The kinetochore is assembled in the centromere region where binds the chromosomes to the mitotic spindle microtubules. These filaments (microtubules) bind to the kinetochore of sister chromatids in order to separate them during anaphase.

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The receptors located in the heart, aortic arch, and carotid sinuses that trigger autonomic reflexes in response to fluctuations
slava [35]

The receptors located in the heart, aortic arch, and carotid sinuses that trigger autonomic reflexes in response to fluctuations in blood pressure are known as Baroreceptors.

Baroreceptors are present in the carotid sinus and the aortic arc and regulate the blood pressure levels in the body. Whenever blood pressure increases or decreases the stretch receptors present in the blood vessels send signals to the brain.

The brain interprets them and send signals to other parts of the body like kidney and heart. The kidney and heart releases enzyme like erythropoietin and atrial natriuretic factor respectively that regulate the blood pressure accordingly.

To know more about baroreceptors refer to the link below

https://brainly.in/question/33030396

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6 0
2 years ago
What is the equilibrium potential for Na? <br> a. 60 mv <br> b. +60 mv <br> c. -90 mv <br> d. 90 mv
neonofarm [45]

Answer:

B. +60 mv

Explanation:

Equilibrium potential of ions is the difference of electric potential in the cell membrane that equilibrates the concentration gradient of an ion.

8 0
3 years ago
The blindspot of the eye is the <br><br> A. canthus<br> B. limbus<br> C. fundus<br> D. optic disk
Dmitry [639]
The answer is D optic disk
3 0
3 years ago
Read 2 more answers
A 72-year-old man with a long standing history of inadequately controlled hypertension and type II diabetes presents with sudden
Vinil7 [7]

Answer: The answer is <u>C; left pons</u>.

Explanation:

The patient presents with the symptoms that are common with dysarthria-clumsy hand syndrome. This is one of the lacunar stroke syndromes where dysarthria is common. A x-ray or other imaging would reveal lesions in the contralateral pons.

4 0
3 years ago
Where is the trachea ​
damaskus [11]

trachea is the pipe behind the ausophagus ,trachea is a wind pipe .

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