Q6 Proteins are used for structural integrity inside and out

Q6. Proteins are used for structural integrity inside and outside of animal cells, but carbohydrates are not.
a. TRUE
b. FALSE

Q7. A deficit in oxygen supply would cause levels of NAD⁺ to…
a. become elevated
b. remain unchanged
c. become reduced

Q6.

a. TRUE

Carbohydrates are mostly energy source for cells,

Q7. A deficit in oxygen supply would cause levels of NAD+ to…

c. become reduced

Under anaerobic conditions NADH accumulates since there is no oxygen to oxidize NAD+.