Why must an in vitro observation be confirmed in vivo?
A. A living thing does not make its own enzymes.
B. A test tube is exactly like a living cell.
O
c. Some enzymes behave unnaturally in a test tube.
O
D. Observations in a test tube are easy to make.

One gene can influence trait(s). one trait can be determined by gene(s).

Name the organs of humanelemintary canal.

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?