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Biology
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Describe the functions of the following components of an animal cell: nucleus, mitochondria, and the cell membrane.

The nucleus is where the genetic information of the cell is stored as DNA; the instructions for the cell's activity. The mitochondria provide energy for the cell through the process of respiration, and th...

Answered by Lucy A. Biology tutor
2604 Views

Explain the process of evolution by natural selection

Variation in the population occurs through mutations. Some organisms have advantages that allow them to survive the selective pressure (thus could be Food shortage or predators) Survivors reproduce and pa...

Answered by Tamara S. Biology tutor
4719 Views

What hormone is involved in the function of the collecting duct in the nephron to retain water?

Recall that the primary hormone involved in water retention is anti- DIURETIC- hormone (ADH). If your rember that diuretic means increased loosing water through urination then you will know that the funct...

Answered by Catharina M. Biology tutor
2962 Views

For a dihybrid cross, how do you find out what proportion of offspring are expected to have a certain genotype?

The first step in tackling this is drawing a genetic diagram (which I would draw on the whiteboard). Say we are looking at a cross between two parents with genotype AaBb, so the cross would look like AaBb...

Answered by Dan M. Biology tutor
3086 Views

What is Glycolysis?

Glycolysis is the first stage of aerobic and anaerobic respiration. Glycolysis occurs in the cytoplasm of a cell as glucose can't pass the mitochondrial membranes and the enzymes needed for its breakdown ...

Answered by Adam J. Biology tutor
3738 Views

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