Question

Q4. Give reasons for the following:
a) Neurons are often long and wire like.
b) Alveoli in lungs have thin membrane.
c) Plasma membrane plays an important role in generating immune responses.
d) Nucleus occupies a peripheral position i mature plants cells.
Q5. Pickles are often preserved in high salt concentration. How does this prevent microbial growth on pickles?
Q6. Viruses lack cellular organisation. Can they be called living?​

Answer 1

Answer:

neurons are long as they have to transfer masseges.

alveoli are thin walled so that respiratory gases can easily diffuses

viruses are nither living nor non living