BIOLOGY 101 EXAM 2 | 125 COMPLETE QUESTIONS WITH EXPERT SOLUTIONS| 2026
LATEST UPDATED| A+
1. Which of the following is true regarding hydrolysis and dehydration
synthe-
sis reactions?: Dehydration reactions assemble polymers, and hydrolysis
reactions break down polymers
2. Molecules that have the same number of atoms of the same elements,
but different structures: isomers
3. A molecule with the chemical formula C6H12O6 is probably a:
carbohydrate 4. glycogen, the storage form of glucose in animal cells, is a
long polymer composed of many glucose (monosaccharide) monomers.
How is glycogen classified?: as a polysaccharide
5. Why are human sex hormones considered to be lipids?: they are not soluble
in water 6. The R group of the amino acid serine is -CH2-OH. The R group of
the amino acid leucine is -CH2-CH-(CH3)2. Where would you expect to find
1/8
, those amino acids in a globular protein in aqueous solution?: Leucine would
be in the interior, and serine would be on the exterior of the globular protein.
7. Which of the following best describes the quaternary structure of a
protein?-
: two or more polypeptide chains come together to form a functional
protein.
8. 14C-labeled uridine triphosphate is added to the growth medium of
cells.
What macromolecules will this radioactive uridine triphosphate label?: RNA
9. Which of the following is NOT a correct monomer/polymer pairing?:
simple sugars/DNA
10. of the four main categories of biological molecules, which on functions
in the storage and use of genetic material?: Nucleic Acids
2/8
LATEST UPDATED| A+
1. Which of the following is true regarding hydrolysis and dehydration
synthe-
sis reactions?: Dehydration reactions assemble polymers, and hydrolysis
reactions break down polymers
2. Molecules that have the same number of atoms of the same elements,
but different structures: isomers
3. A molecule with the chemical formula C6H12O6 is probably a:
carbohydrate 4. glycogen, the storage form of glucose in animal cells, is a
long polymer composed of many glucose (monosaccharide) monomers.
How is glycogen classified?: as a polysaccharide
5. Why are human sex hormones considered to be lipids?: they are not soluble
in water 6. The R group of the amino acid serine is -CH2-OH. The R group of
the amino acid leucine is -CH2-CH-(CH3)2. Where would you expect to find
1/8
, those amino acids in a globular protein in aqueous solution?: Leucine would
be in the interior, and serine would be on the exterior of the globular protein.
7. Which of the following best describes the quaternary structure of a
protein?-
: two or more polypeptide chains come together to form a functional
protein.
8. 14C-labeled uridine triphosphate is added to the growth medium of
cells.
What macromolecules will this radioactive uridine triphosphate label?: RNA
9. Which of the following is NOT a correct monomer/polymer pairing?:
simple sugars/DNA
10. of the four main categories of biological molecules, which on functions
in the storage and use of genetic material?: Nucleic Acids
2/8
