QUIZ 6A MOLECULAR BIOLOGY
Name _________________________________________
1) Look at the PowerPoint image in the front of the classroom. Which suspect’s DNA is compatible with
the crime scene sample of DNA?
a) Suspect 1
b) Suspect 2
c) Suspect 3
d) None of the suspects
2) Look at the PowerPoint image in the front of the classroom. What is true about this family?
a) The man is the father of both children
b) The man is not the father of either child
c) The man is the father of the son but not the daughter
d) The man is the father of the daughter but not the son
3) The two strands of DNA in a double helix are connected to each other by _____.
a. peptide bonds
b. hydrogen bonds
c. ionic bonds
d. covalent bonds
4) Which of the following nucleotide bases always bind to each other in DNA?
a. thymine and cytosine (T-C)
b. adenine and cytosine (A-C)
c. thymine and guanine (T-G)
d. cytosine and guanine (C-G)
e. adenine and guanine (A-G)
5) The sequence of _____ in a strand of mRNA determines the order of _____ in proteins.
a. codons, bases
b. amino acids, lipids
c. amino acids, bases
d. codons, amino acids
6) The ‘transcription’ step in molecular biology can best be described as:
a. building proteins using the RNA template of a gene
b. making a copy of the entire DNA double helix
c. editing the RNA copy of a gene (removing introns)
d. making an RNA copy of a specific gene
e. all of the above
7) The ‘translation’ step in molecular biology can best be described as:
a. building proteins using the RNA template of a gene
b. making a copy of the entire DNA double helix
c. editing the RNA copy of a gene (removing introns)
d. making an RNA copy of a specific gene
e. all of the above
8) If one strand of DNA double helix has the sequence AGTACTG, the sequence of the complementary
strand is:
a) GACGTCA
b) CTACGAT
c) AGTACTG
d) TCATGAC
e) GTCGACT
9) Which of the following is FALSE?
a) DNA contains deoxyribose but RNA contains ribose
b) DNA is meant to be permanent and RNA is meant to be temporary
c) DNA contains Thymine and RNA does not
d) DNA forms a double helix and RNA does not
e) DNA contains Uracil and RNA does not
10) Which of the following are components (parts) of a nucleotide?
a) sugar
b) phosphate (or phosphoric acid)
c) base (or nitrogenous base)
d) all the above are parts of a nucleotide
11) Which of the following is TRUE?
a) each codon contains 3 nucleotides
b) each codon represents 3 amino acids
c) each codon contains 4 nitrogenous bases
d) each codon represents 4 amino acids
12 Use the mRNA codon chart to derive the
proper sequence of amino acids that
would be formed when the DNA
sequence T A C T T C C G G is translated.
a. THR – ALA – MET
b. LYS – PRO – GLU
c. MET – ALA – THR
d. MET – THR – ALA
e. MET –LYS – ALA
QUIZ 6B MOLECULAR BIOLOGY
Name _________________________________________
1) Look at the PowerPoint image in the front of the classroom. Which suspect’s DNA is compatible with
the crime scene sample of DNA?
a) None of the suspects
b) Suspect 1
c) Suspect 2
d) Suspect 3
2) Look at the PowerPoint image in the front of the classroom. What is true about this family?
a) The man is the father of both children
b) The man is not the father of either child
c) The man is the father of the daughter but not the son
d) The man is the father of the son but not the daughter
3) The two strands of DNA in a double helix are connected to each other by _____.
a. hydrogen bonds
b. peptide bonds
c. ionic bonds
d. covalent bonds
4) Which of the following nucleotide bases always bind to each other in DNA?
a. thymine and cytosine (T-C)
b. cytosine and guanine (C-G)
c. adenine and cytosine (A-C)
d. thymine and guanine (T-G)
e. adenine and guanine (A-G)
5) The sequence of _____ in a strand of mRNA determines the order of _____ in proteins.
a. codons, amino acids
b. amino acids, lipids
c. amino acids, bases
d. codons, bases
6) The ‘transcription’ step in molecular biology can best be described as:
a. building proteins using the RNA template of a gene
b. making a copy of the entire DNA double helix
c. editing the RNA copy of a gene (removing introns)
d. making an RNA copy of a specific gene
e. all of the above
7) The ‘translation’ step in molecular biology can best be described as:
a. building proteins using the RNA template of a gene
b. making a copy of the entire DNA double helix
c. editing the RNA copy of a gene (removing introns)
d. making an RNA copy of a specific gene
e. all of the above
8) If one strand of DNA double helix has the sequence AGTACTG, the sequence of the complementary
strand is:
a) GACGTCA
b) CTACGAT
c) TCATGAC
d) AGTACTG
e) GTCGACT
9) Which of the following are components (parts) of a nucleotide?
a) sugar
b) phosphate (or phosphoric acid)
c) base (or nitrogenous base)
d) all the above are parts of a nucleotide
10) Which of the following is FALSE?
a) DNA contains deoxyribose but RNA contains ribose
b) DNA is meant to be permanent and RNA is meant to be temporary
c) DNA contains Thymine and RNA does not
d) DNA forms a double helix and RNA does not
e) DNA contains Uracil and RNA does not
11) Which of the following is TRUE?
a) each codon contains 3 nucleotides
b) each codon represents 3 amino acids
c) each codon contains 4 nitrogenous bases
d) each codon represents 4 amino acids
12 Use the mRNA codon chart to derive the
proper sequence of amino acids
that would be formed when the
DNA sequence T A C T T C C G G is
translated.
a. THR – ALA – MET
b. LYS – PRO – GLU
c. MET – ALA – THR
d. MET – THR – ALA
e. MET –LYS – ALA