Top answers

List five (5) risk factors for coronary heart disease, and briefly outline a piece of evidence for each one (5)?

(Chapter: further human physiology) Factor + explanation (1 point for each) for coronary heart disease (CHD):-Genetics: CHD tends to run in some families-Age: CHD is a disease of old age-Gender: men are more...
DK
Answered by Dimitrios K. • Biology tutor
2154 Views

What is transcription?

Protein synthesis is the production of new proteins. This happens in two stages, transcription and translation Transcription - forming mRNA from DNA 1) The DNA section to be copied (gene) is unwound by helic...
RH
Answered by Rebecca H. • Biology tutor
13456 Views

How does osmoregulation occur in the kidney?

The tubule fluid enters the collecting duct (CD) where the final water reabsorption occurs before the fluid is excreted as urine. Osmoreceptors in the hypothalamus detect the concentration of the blood (wate...
KD
Answered by Kelly D. • Biology tutor
8525 Views

How do phospholipids form membranes?

Phospholipids are a major component of cell membranes. They are ideal components of membranes due to their structure. They consist of a glycerol and phosphate 'head' attached to two fatty acid 'tails'. The t...
LE
Answered by Lauren E. • Biology tutor
17286 Views

What is the role of insulin in the body?

Insulin is a hormone released by the pancreas in response to high glucose levels in the blood. It primarily acts to reduce blood glucose levels. It does this by signalling muscle and fat cells to take in glu...
SB
Answered by Sophie B. • Biology tutor
6368 Views