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BIO 101 LECTURE EXAM #2 2026
ACTUAL QUESTIONS WITH
VERIFIED SOLUTIONS.
Which of the following is true regarding hydrolysis and
dehydration synthesis reactions? - ANSWER-Dehydration
reactions assemble polymers, and hydrolysis reactions break
down polymers.
Molecules that have the same number of atoms of the same
elements, but different structures are termed - ANSWER-
isomers
A molecule with the chemical formula C6H12O6 is probably a -
ANSWER-carbohydrate
Glycogen, the storage form of glucose in animal cells, is a long
polymer composed of many glucose (monosaccharide)
monomers. How is glycogen classified? - ANSWER-
polysaccharide
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Why are human sex hormones considered to be lipids? -
ANSWER-they are not soluble in water
Which of the following best describes the quaternary structure
of a protein? - ANSWER-two or more polypeptide chains come
together to form a functional protein
14C-labeled uridine triphosphate is added to the growth
medium of cells. (HINT: radioactive uridine triphosphate will be
incorporated into molecules in the place of URACIL.) What
macromolecules will this radioactive uridine triphosphate label?
- ANSWER-RNA
Which of the following is not a CORRECT monomer/polymer
pairing? - ANSWER-simple sugars/DNA
monomer/polymer pairs - ANSWER-
monosaccharide/polysaccharide
amino acid/protein
deoxyribonucleotide/DNA
ribonucleotide/RNA
BIO 101 LECTURE EXAM #2 2026
ACTUAL QUESTIONS WITH
VERIFIED SOLUTIONS.
Which of the following is true regarding hydrolysis and
dehydration synthesis reactions? - ANSWER-Dehydration
reactions assemble polymers, and hydrolysis reactions break
down polymers.
Molecules that have the same number of atoms of the same
elements, but different structures are termed - ANSWER-
isomers
A molecule with the chemical formula C6H12O6 is probably a -
ANSWER-carbohydrate
Glycogen, the storage form of glucose in animal cells, is a long
polymer composed of many glucose (monosaccharide)
monomers. How is glycogen classified? - ANSWER-
polysaccharide
, 2 | Page
Why are human sex hormones considered to be lipids? -
ANSWER-they are not soluble in water
Which of the following best describes the quaternary structure
of a protein? - ANSWER-two or more polypeptide chains come
together to form a functional protein
14C-labeled uridine triphosphate is added to the growth
medium of cells. (HINT: radioactive uridine triphosphate will be
incorporated into molecules in the place of URACIL.) What
macromolecules will this radioactive uridine triphosphate label?
- ANSWER-RNA
Which of the following is not a CORRECT monomer/polymer
pairing? - ANSWER-simple sugars/DNA
monomer/polymer pairs - ANSWER-
monosaccharide/polysaccharide
amino acid/protein
deoxyribonucleotide/DNA
ribonucleotide/RNA
