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Epistasis occurrs when one allele of a gene masks the expression of alleles of another gene.
When there is no epistasis a dihybrid cross (two characteristics) of two heterozyg...
There are several factors affecting the rate and speed of an action potential:
1. Myelin sheath - This covers some of the nodes and acts as an electrical insulator where the a...
Mitosis is the cell division that produces 2 daughter cells with genetically identicle DNA to the parent cell. These are none as diploid cells.
Meiosis requires two stages of cell division to ...
The function of a blood clot is to prevent blood loss from damaged blood vessels. In order for a blood clot to form, activated platelets and the damaged ...
As the action potenial reaches the synaptic terminal depolarisation causes voltage-gated Ca2+ channels to open. The opening of these ion channels causes an influx of Ca2+ ions be...
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