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What is the difference between genotype and phenotype?

Genotype is the alleles that you have for a specific gene Phenotype is the physical expression of the genotype (think ph enotype, ph ysical expression to remember which is which!) e.g. Your eye colour genoty...
AC
Answered by Abigail C. • Biology tutor
12954 Views

Explain the difference between a receptor and an effector using examples.

Receptors have the abilty to detect a stimuli which include changes in surroundings such as pressure on the skin. This stimuli is then converted into an impulse. Examples of receptors include the retina in t...
MS
Answered by Mohini S. • Biology tutor
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How does the body respond to decreasing blood glucose?

Blood glucose levels start to fall in the blood. Blood flowing through the pancreas is low in glucose, and this is sensed by cells in the pancreatic tissue. In response, it produces glucagon, ( which is a ho...
EG
Answered by Eleanor G. • Biology tutor
3772 Views

A cell in the basal layer of the skin contains 46 chromosomes and divides by mitosis to produce new skin cells. After ten successive divisions, how many chromosomes will the basal cell have?

46 chromosomes - all cells which undergo mitosis should maintain chromosome number
FT
Answered by Fraser T. • Biology tutor
12757 Views

Name and outline the two types of circulatory systems

A single circulatory system is where blood flow starts with deoxygenated blood being pumped by the heart to the lungs or gills and then travelling directly to the rest of the body’s tissues. Found in fish an...
BS
Answered by Bianca S. • Biology tutor
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