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Biology
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Describe the path of a red blood cell through the heart

Red blood cell arrives from the inferior vena cava into right atrium before it passes through the tricuspid valve into right ventricle. It then passes through the pulmonary valve into pulmonary artery bef...

RW
Answered by Robert W. Biology tutor
73262 Views

Describe the function of receptors in the skin. (2 Marks)

Detect surounding stimuli. Convert that information to impulses and send to the brain.  

TD
5564 Views

(Substrate) is hydrolysed by (Enzyme). Explain why (Enzyme) catalyses only this reaction. (3 Marks)

Active site of (enzyme) has a specific active site, complementary to (substrate). Only that (substrate) can bind to this active site to form an enzyme substrate complex.  

TD
2661 Views

How can a child inherit a disease from their parents if neither parent has the disease?

We inherit two copies of a gene called alleles, one from each parent. The alleles we inherit from our parents can either be dominant or recessive. A dominant allele requires just one copy of the allele to...

JT
Answered by Joanna T. Biology tutor
3653 Views

I am having trouble learning Mitosis, could you explain it for me please?

Mitosis is a form of asexual reproduction in plants. A parent cell splits into 2 identical daughter cells. There are 46 Chromosomes in each cell and each chromosome is copied exactly, using chromatids to ...

AL
Answered by Alex L. Biology tutor
2544 Views

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