BSC 108 EXAM 3 2026 EXAM REVIEW SOLVED
QUESTIONS AND CORRECT ANSWERS
GRADED A+
◉ a three-nucleotide sequence of DNA or mRNA that specifies a
particular amino acid or termination signal
Answer: Codon
◉ an infectious form of a protein
Answer: Prion
◉ a virus that infects bacteria
Answer: Bacteriophage
◉ a noncoding portion of a gene
Answer: Intron
◉ a coding portion of a gene
Answer: Exon
◉ a specific sequence of three nucleotides that is complementary to
a codon
, Answer: Anticodon
◉ T/F DNA and RNA are polymers composed of nucleotide
monomers.
Answer: True
◉ How many nucleotides make up a codon?
Answer: three
◉ Translation converts the information stored in ____ to ____.
Answer: RNA; polypeptide
◉ T/F The three parts of a nucleotide are a sugar, a phosphate, and
an anticodon.
Answer: False
◉ The three parts of a nucleotide
Answer: nitrogenous base, pentose sugar, phosphate group
◉ T/F After replication, each new DNA double helix consists of one
old strand and one new strand.
Answer: True
QUESTIONS AND CORRECT ANSWERS
GRADED A+
◉ a three-nucleotide sequence of DNA or mRNA that specifies a
particular amino acid or termination signal
Answer: Codon
◉ an infectious form of a protein
Answer: Prion
◉ a virus that infects bacteria
Answer: Bacteriophage
◉ a noncoding portion of a gene
Answer: Intron
◉ a coding portion of a gene
Answer: Exon
◉ a specific sequence of three nucleotides that is complementary to
a codon
, Answer: Anticodon
◉ T/F DNA and RNA are polymers composed of nucleotide
monomers.
Answer: True
◉ How many nucleotides make up a codon?
Answer: three
◉ Translation converts the information stored in ____ to ____.
Answer: RNA; polypeptide
◉ T/F The three parts of a nucleotide are a sugar, a phosphate, and
an anticodon.
Answer: False
◉ The three parts of a nucleotide
Answer: nitrogenous base, pentose sugar, phosphate group
◉ T/F After replication, each new DNA double helix consists of one
old strand and one new strand.
Answer: True
