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Biology
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Describe the basic stages of mitosis.

Cell division, or mitosis, occurs in diploid cells (cells with two copies of every chromosome). During mitosis, a cell will divide and produce two daughter cells which are also diploid. These two daughter...

Answered by Darya S. Biology tutor
2948 Views

Describe the stages of the carbon cycle.

Carbon dioxide in the atmosphere is taken up by producers via the process of photosynthesis to produce glucose. Some animal organisms consume the plants. Via the process of respiration, animals and plants...

Answered by Stevie L. Biology tutor
4600 Views

How would you define the differences between type 1 and type 2 diabetes?

There are two main types of diabetes: type 1 and type 2. Both types of diabetes are chronic diseases that affect the way your body regulates blood sugar, or glucose. Glucose is the fuel that feeds your bo...

Answered by Hajrah U. Biology tutor
2241 Views

Describe and explain how the secretion of ADH affects urine production in the kidneys (4 marks)

ADH diffuses into the blood stream and binds to receptors present on the lining of the collecting duct/ DCT (1)This increases the permeability of the membrane of the collecting duct/ DCT (1)Therefore, mor...

Answered by Biology tutor
4454 Views

Describe the various mechanisms by which expression of genes are controlled by the cell's environment.

One of the mechanisms within a cell’s own environment that plays a part in controlling the expression of genes is histone acetylation and de-acetylation. These are the processes by which the lysine residu...

Answered by Yashoda J. Biology tutor
2019 Views

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