exam 3 multiple choice Flashcards
A DNA molecule is more compact than its relaxed form
a. Hypochromic
b. Supercoiled
c. Annealed
d. Spliced
e. Double-helical
b.Supercoiled
Which of the following macromolecules are Nucleic Acids?
a) Carbohydrates
b) Proteins
c) Lipids
d) DNA and RNA
e) Amino acids
d) DNA and RNA
12 The central dogma of biology is
a) DNA RNA Protein
b) RNA DNA Protein
c) RNA Protein DNA
d) Protein DNA RNA
a) DNA RNA Protein
13 What is the nucleotide sequence of the DNA strand that is complementary to 5’-ATCGCAACTGTCACTA-3’?
a) 5’-TAGCGTTGACAGTGAT-3’
b) 5’-UAGUGACAGUUGCGAU-3’
c) 5’-TAGCGTTGACAGTGAT-3’
d) 5’-TAGTGACAGTTGCGAT-3’
e) 5’-ATCACTGTCAACGCTA-3’
a) 5’-TAGCGTTGACAGTGAT-3’
14 What enzyme is used to create RNA from DNA?
a. RNA polymerase
b. DNA polymerase
c. reverse transcriptase
d. RNA–DNA transcriptase
e. SDS Gel Electrophoresis
ca. RNA polymerase
15 Which molecule will absorb light at 280 nm? Chose all that applies
a. DNA
b. RNA
c. Proteins
all of the above
What enzyme is used to create DNA from DNA?
a. RNA polymerase
b. DNA polymerase
c. reverse transcriptase
d. RNA–DNA transcriptase
e. homogenate
b. DNA polymerase
17 What enzyme is used to create DNA from RNA?
a. RNA polymerase
b. DNA polymerase
c. reverse transcriptase
d. RNA–DNA transcriptase
e. Homogenate
c. reverse transcriptase
AZT is a powerful HIV drug. AZT is a
a) Nucleoside/Nucleotide
b) Protein
C) Carbohydrate
d) Amino acid
a) Nucleoside/Nucleotide
An Aldose is a carbohydrate that has which of the following functional group?
a) Aldehyde
b) Ketone
c) Alcohol
d) Amine
a) Aldehyde
Does SARS CoV-2 store its genetic information in
a) DNA
b) RNA
c) DNA and RNA
b) RNA