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How are action potentials propagated across cholinergic synapses?

In order for action potentials to travel to their intended destination they must cross synapses . These synapses are the spaces between neurones' axon terminals and other neurones' dendrites . In the case of...
HS
Answered by Harry S. • Biology tutor
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What is mitosis?

Mitosis is a process whereby the chromosomes (which carry the genetic information) of the cell that were duplicated during replication,to make two identical set of chromosomes, are separated into two nuclei....
CM
Answered by Christina M. • Biology tutor
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What is the structure of DNA?

DNA stands for deoxyribonucleic acid and is the basic unit of the genetic material that is housed in the nucleus of eukaryotic cells. DNA was first visualised by Watson and Crick, who described it as having ...
LR
Answered by Lewis R. • Biology tutor
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What is an atheroma and how can it lead to a heart attack?

Atheroma = Formed of a hard fibrious plaque containing fatty streaks that have hardened over time (through damage such as high blood pressure). There is a build up of cholesterol and other insoluble lipids c...
KL
Answered by Keeley L. • Biology tutor
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Using mendelian genetics, explain how two brown eyed parents can have a blue eyed child. Which of the alleles is dominant? You may use a graph to support your explanation (Tip: Assume a simple dominance and inheritance )

Given that the brown eyed parents are able to produce blue eyed offspring, it is safe to assume that they are both heterozygots for eye colour and that the brown allele is dominant (A) over the blue allele (...
JT
Answered by Jeremy T. • Biology tutor
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