BSC 108 EXAM 3 CERTIFICATION TEST
QUESTIONS AND SOLUTIONS UPDATED
ACTUAL EXAM SCRIPT GRADED A PLUS
COMPLETE STUDY GUIDE
●● 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 SOLUTIONS UPDATED
ACTUAL EXAM SCRIPT GRADED A PLUS
COMPLETE STUDY GUIDE
●● 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