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Biology
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Pathogenesis: what is the process of pathogenesis and how do microorganisms cause disease?

Pathogenesis is defined as the manner of development of a disease and the biological mechanisms that leads to a diseased state. Pathogenesis can be caused by a variety of things however; microbial infecti...

MG
Answered by Michaela G. Biology tutor
6683 Views

Explain the process of synaptic transmission (6 marks).

  • When the action potential reaches the pre-synaptic knob, voltage gated Ca2+ channels open which allows Ca2+ into the pre-synaptic knob - This causes vesicles which contain neur...
DH
Answered by Dominic H. Biology tutor
10026 Views

Contrast facilitated diffusion and active transport

Since the key word is contrast infomation about both facilitated diffusion and active transport is needed.

Facilitated diffusion does not require ATP whereas active transport does ...

DS
Answered by Daniel S. Biology tutor
4151 Views

Describe the structure of a triacylglyceride

Triacylglycerides are a type of lipid composed of a glycerol head and three fatty acid tails. The fatty acid tails are long hydrocarbon chains which are non polar and so hydrophobic, and this is what caus...

CK
Answered by Christian K. Biology tutor
4227 Views

What is the difference between aerobic and non-aerobic respiration?

Aerobic respiration requires oxygen from the air, whereas anaerobic respiration does not. Aerobic produces Carbon dioxide and water, and the carbon dioxide exits through a gas exchange system in humans. A...

HW
Answered by Hannah W. Biology tutor
5226 Views

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