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Biology
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name 4 ways the lung is adapted for gaseous exchange

  1. thin diffusion distance- 1 cell thick 2. large surface area- alveoli 3. large concentration gradient- lots of blood vessels 4. moist
RT
Answered by Radhika T. • Biology tutor
4236 Views

Explain the concept of 'chemiosmosis' in oxidative phosphorylation

The process of chemiosmosis essentially addresses the issue of storing chemical energy into a specific bond. The conversion from chemical energy in the coenzymes, such as NADH and FADH

NP
Answered by Narut P. • Biology tutor
4116 Views

What is eutrophication and what are its effects?

Eutrophication occurs when excess nutrients, like nitrates and phosphates, enter a body of water. These excess nutrients cause an increase in plant and algal growth in the water, often leading to an algal...

IH
4675 Views

Describe how the RER is involved in the production of enzymes. [2 marks] June 2014

To attain the two marks you have to say that the RER contains ribosomes and these synthesis proteins. Enzymes are specialised proteins.

TA
Answered by Tony A. • Biology tutor
18771 Views

what are the functions of neurones?

Motor neurone - carry info from the central nervous system to the effector cells

Sensory neurones - carry info from sensory receptors to the CNS

relay neurones - carry signals from one part ...

TS
Answered by Tamara S. • Biology tutor
2666 Views

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