Japanese beetles store the lipids they need in proteins and during mating, to produce offspring they combine the male's proteins with the female's protein.
Hope it helped,
BioTeacher101
Answer:
The link reaction converts pyruvic acid to Acetyl-CoA.
I hope it's helpful!
I don't know if this helps or not but you would want to know the age of the rock (absolute dating) and from there you will be able to know the age of the fossil and what caused it to die.