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Biology
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Explain the pathway of MPS following resistance exercise?

The cellular mechanism for increases in MPS post exercise is regulated through the activation of downstream components of mTOR signalling pathway (4EBP1 Thr37/46 and S6K1 Thr389) (Dreyer et al., 2006). St...

CS
Answered by Christian S. Biology tutor
904 Views

Describe to me the pupillary light reflex, and how the differences in light intensity cause this change.

Pupils can either dilate or constrict in response to changes in light intensity.

In very bright light - the eyes constrict - as a protective mechanism
In very dull light/dark conditions - ...

AM
Answered by Aaminah M. Biology tutor
4069 Views

Explain the process of evolution by natural selection

In a population, random mutations of alleles will produce variation. Some of these mutations might be really helpful for the organism that has them and helps them to survive in their environment better. T...

AK
Answered by Anna K. Biology tutor
2260 Views

Give an account of RNA and its role in protein sythesis.

RNA is a single stranded molecule, composed of a ribose sugar phosphate backbone (as opposed to the deoxyribose sugar phosphate double-stranded DNA) and the bases, adenine, guanine, cytosine and uracil (i...

AF
Answered by Anna F. Biology tutor
941 Views

What is the function of the fluid mosaic model?

The fluid mosaic model is a model used to describe the cell membrane and the transport of molecules through it. It is a semi permeable membrane which means that it is selective in the molecules that it al...

CR
Answered by Clary R. Biology tutor
10277 Views

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