Answers
>
Biology
>
A Level
>
Article
Give 2 adaptions of the alveoli that maximise gas exchange
Curved surfaces, providing a large surface areaThin, providing a short diffusion distance
MH
Answered by
Michael H.
•
Biology tutor
3233 Views
See similar Biology A Level tutors
Related Biology A Level answers
All answers ▸
Explain the all-or-nothing principle for an action potential.
The genotypes of 2 guinea pigs, for 2 traits are represented as AABB and aabb. The guinea pigs are mated and the offspring eventually mate with eachother. Of the second generation, what genotypes would be phenotypically different from the originals?
What is the structure of DNA?
How does does changing the pH affect the activity of an enzyme?