MCB 150 FINAL PAPER BUNDLED
EXAMS TESTED QUESTIONS 2026
ALREADY PASSED GRADED A+
⫸ What experimental question(s) can be addressed by a microarray
analysis? Choose all that apply.
(A) The sequence of a certain gene in an organism
(B) If a certain gene is being expressed in a specific tissue
(C) If a certain gene is being expressed in an organism
(D) If a certain gene is expressed at different levels in different tissues
(E) If a certain gene is expressed in some developmental stages but
not others Answer: B, C, D, E
⫸ Consider the following statements about genomes:
(1) There is a linear relationship between the size of a eukaryote's
genome and the number of protein-coding genes.
(2) Although prokaryotic genomes are typically smaller than
eukaryotic genomes, a higher percentage of a prokaryote's genome
consists of repetitive sequences.
Determine which option below is correct.
(A) Statements 1 and 2 are both true.
,(B) Statements 1 and 2 are both false.
(C) Statement 1 is true, Statement 2 is false.
(D) Statement 1 is false, Statement 2 is true. Answer: B
⫸ Which of the following sequences are most likely to be recognized
by a Type II restriction enzyme (the type described in your text)?
Only one strand of a double stranded DNA sequence is shown, and all
sequences are given 5'-3'. Choose all that apply.
(A) TTTTTT
(B) AGAGAG
(C) GCAACG
(D) CCCGGG
(E) GATTACA Answer: D
⫸ Which of the following are typically used to construct a cDNA
library? The list does not necessarily contain everything needed.
Choose all that apply.
(A) DNA ligase
(B) Reverse transcriptase
(C) Whole cell DNA
(D) Primary mRNA transcripts
(E) DNA polymerase Answer: A, B, D, E
,⫸ You are preparing to use a reverse transcriptase to create cDNA
from a sample containing purified mature eukaryotic mRNA. If you
are preparing a primer using only one type of nucleotide, the primer
most likely to be successful would be __________.
(A) poly-A
(B) poly-C
(C) poly-G
(D) poly-T
(E) No primer composed of a single type of nucleotide can be used to
prepare cDNA from these mRNAs. Answer: D
⫸ Identify any mutation that matches all of the following criteria:
Classified as a point mutation
Results in a change in the primary sequence of the protein
Choose all that apply.
(A) Insertions
(B) Deletions
(C) Nonsense
(D) Missense
(E) Same sense
(F) Frameshift Answer: C, D, F
⫸ Using information on this website:
, https://www.thegenehome.com/how-does-gene-therapy-
work/techniques
which type of gene therapy do you feel would be more beneficial for
Lee F.?
(A) in vivo
(B) ex vivo Answer: A
⫸ HIV enters a cell by _______________ and leaves the cell by
_______________.
(A) endocytosis; lysis
(B) nucleic acid injection; lysis
(C) membrane fusion; budding
(D) membrane fusion; lysis
(E) nucleic acid injection; budding Answer: C
⫸ It is necessary for what signal to be present on a molecule of HIV
integrase?
(A) ER signal sequence
(B) Nuclear localization signal
(C) Mitochondrial targeting signal
(D) Extracellular matrix binding domain
(E) HIV integrase does not require any of these signals. Answer: B
EXAMS TESTED QUESTIONS 2026
ALREADY PASSED GRADED A+
⫸ What experimental question(s) can be addressed by a microarray
analysis? Choose all that apply.
(A) The sequence of a certain gene in an organism
(B) If a certain gene is being expressed in a specific tissue
(C) If a certain gene is being expressed in an organism
(D) If a certain gene is expressed at different levels in different tissues
(E) If a certain gene is expressed in some developmental stages but
not others Answer: B, C, D, E
⫸ Consider the following statements about genomes:
(1) There is a linear relationship between the size of a eukaryote's
genome and the number of protein-coding genes.
(2) Although prokaryotic genomes are typically smaller than
eukaryotic genomes, a higher percentage of a prokaryote's genome
consists of repetitive sequences.
Determine which option below is correct.
(A) Statements 1 and 2 are both true.
,(B) Statements 1 and 2 are both false.
(C) Statement 1 is true, Statement 2 is false.
(D) Statement 1 is false, Statement 2 is true. Answer: B
⫸ Which of the following sequences are most likely to be recognized
by a Type II restriction enzyme (the type described in your text)?
Only one strand of a double stranded DNA sequence is shown, and all
sequences are given 5'-3'. Choose all that apply.
(A) TTTTTT
(B) AGAGAG
(C) GCAACG
(D) CCCGGG
(E) GATTACA Answer: D
⫸ Which of the following are typically used to construct a cDNA
library? The list does not necessarily contain everything needed.
Choose all that apply.
(A) DNA ligase
(B) Reverse transcriptase
(C) Whole cell DNA
(D) Primary mRNA transcripts
(E) DNA polymerase Answer: A, B, D, E
,⫸ You are preparing to use a reverse transcriptase to create cDNA
from a sample containing purified mature eukaryotic mRNA. If you
are preparing a primer using only one type of nucleotide, the primer
most likely to be successful would be __________.
(A) poly-A
(B) poly-C
(C) poly-G
(D) poly-T
(E) No primer composed of a single type of nucleotide can be used to
prepare cDNA from these mRNAs. Answer: D
⫸ Identify any mutation that matches all of the following criteria:
Classified as a point mutation
Results in a change in the primary sequence of the protein
Choose all that apply.
(A) Insertions
(B) Deletions
(C) Nonsense
(D) Missense
(E) Same sense
(F) Frameshift Answer: C, D, F
⫸ Using information on this website:
, https://www.thegenehome.com/how-does-gene-therapy-
work/techniques
which type of gene therapy do you feel would be more beneficial for
Lee F.?
(A) in vivo
(B) ex vivo Answer: A
⫸ HIV enters a cell by _______________ and leaves the cell by
_______________.
(A) endocytosis; lysis
(B) nucleic acid injection; lysis
(C) membrane fusion; budding
(D) membrane fusion; lysis
(E) nucleic acid injection; budding Answer: C
⫸ It is necessary for what signal to be present on a molecule of HIV
integrase?
(A) ER signal sequence
(B) Nuclear localization signal
(C) Mitochondrial targeting signal
(D) Extracellular matrix binding domain
(E) HIV integrase does not require any of these signals. Answer: B
