A field biologist observed and recorded the ground squirrel population in a forest ecosystem over a 40 year period. During which years is the squirrel's ecosystem most stable?
A)
years 1-9
B)
years 10-30
years 31-37
D)
years 38-42
HELP

When the intestine becomes infected with the food borne illness bacteria e. coli, the bacteria releases a enterotoxin that causes excessive loss of water and electrolytes in the intestines. necessary to return the osmolality of the intestines to normal?

Which codon is the code for the amino acid histidine (his)?

Name the two stages involved in protein synthesis and explain what occurs in each of the two stages. be sure to also indicate where each process takes place. plz don't give one sentence answers : d