Why are chromosomes visible under a microscope during cell division

1 answer:

7 0

Chromosomes are visible under the microscope during cell division, as because the chromatin has condensed and essentially the DNA with numerous histone proteins wrapped around and folded again and again to produce thick structures of chromosomes during prophase. The DNA replicated will condense and or wrap and fold to produce these thick structures.

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What chemical group used by plants does oxygen form which includes phosphorus?

hram777 [196]

These are nitrates , which are anions with the formula NO3- . A common form<span> of fertiliser is ammonium nitrate which has the formula NH4NO3 .</span>

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What is the difference between an autotroph and a heterotroph?

never [62]

An autotroph produces its own food while a hetertroph has to find it/hunt for it/gather it
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Autotroph-Sunflower
Heterotroph-Wolf

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The meninges is a three-layered, membranous covering of the brain and spinal cord. Read the descriptions below and then click an

AleksAgata [21]

The question is incomplete as it does not have the options which have been provided in the attached file.

Explanation:

1. Dura mater: the dura mater is the most superficial layer which is characterized by the folds. The dura mater forms the walls between the hemisphere of the brain that is between right and left halves of the cerebellum. The structure present in the dura mater is tentorium cerebelli and super sagittal sinus.

2. Pia mater: the deepest layer present which is adhered to the tissues of the brain. The cortical gyri blood vesicle are superficial to the pia mater.

3. Arachnoid mater: the middle layer which is characterised by transparent and gelatin-like appearance.

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3 years ago

A woman who is a carrier of the hemophilia allele and a man that is normal for hemophilia allele have

blondinia [14]

Answer:

they have a 25% chance of having a son with hemophilia and a 25% chance of having a daughter with it.

Explanation:

Hemophilia is an linked gene so when you create a punnet square those are the result you should receive.

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The digestive system's main function is to

lozanna [386]

Answer:break down food to be absorbed in the bloodstream.

Explanation: it is the correct answer

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