Top answers


What is transpiration and what factors affect its rate of occurrence? Describe some adaptations of xerophytic plant that reduce water loss via transpiration.

Transpiration is the evaporation of water through open stomata, occurring down the water potential gradient.Factors affecting the rate of transpiration:Light intensity - more stomata will be open to take in ...
JT
Answered by Jessica T. Biology tutor
14275 Views

How is blood filtrated by the glomeruli in the kidneys?

Blood enters the glomerulus from the afferent arteriole at a very high pressure, so the hydrostatic pressure forces the contents of the blood out of the blood vessels, into the Bowman's capsule. However, a f...
JR
Answered by Joshua R. Biology tutor
4128 Views

(i) What is the net agin of ATP in Glycolysis? (2 marks) (ii) Where is ATP used in Glycolysis?( 1marks)

(i) In the breakdown of glucose 4 ATP is produced, however 2 ATP are used leaving a net gain of 2 ATP.(ii) In the energy investment stage, 2 ATP molecules are used to phosphorylate glucose into fructose diph...
SP
Answered by Sofia P. Biology tutor
3415 Views

What is the difference between diffusion, osmosis and active transport?

Diffusion and osmosis both involve the movement of particles from a high concentration to a low concentration, down a concentration gradient. The key difference between the two, is that osmosis concerns the ...
FN
Answered by Fadheelah N. Biology tutor
4421 Views

How and why are bacteria used in industry?

Bacteria are used in industry to produce enzymes and other proteins. Because they are prokaryotes and don't have a nucleus, every DNA plasmid that is taken up is translated. You just have to insert the plasm...
NW
Answered by Niclas W. Biology tutor
4096 Views