How many carbon atoms does the common group of amino acids have?
a 0
C. 2.
b. 1
d.3

The three types is stress that act on earths rocks are compression, tension, and

The organs inside the body and how they function together

Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose