PLEASE ANSWER ASAP WILL MARK BRAINLIEST!! Complete the following analogy.

Nucleus is to cell as
is to company.

a.) president
b.) security
c.) security guard

Compare and contrast nutrient limitation in soil vs. nutrient limitation in aquatic ecosystems

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.