Deck 3: Genetic Control of Protein Synthesis, Cell Function, and Cell Reproduction

Question 1

Which of the following types of RNA is most likely to regulate gene transcription and translation?

A)Messenger RNA (mRNA)
B)MicroRNA (miRNA)
C)Ribosomal RNA (rRNA)
D)Transfer RNA (tRNA)

Answer 1

B

Question 2

During protein synthesis, the transfer RNA binds to how many amino acids at one time?

A)Four
B)One
C)Three
D)Two

Answer 2

B

Question 3

In which of the following phases of cell replication is DNA synthesis most likely to occur?

A)phase
B)G₂ phase
C)M phase
D)S phase

Answer 3

D

Question 4

In which of the following phases of cell replication is mitosis most likely to occur?

A)G₁ phase
B)G₂ phase
C)M phase
D)S phase

Question 5

During transcription, the RNA polymerase binds to which of the following?

A)Messenger RNA (mRNA)
B)Promoter sequence
C)Stop sequence
D)Transfer RNA (tRNA)

Question 6

What is the approximate number of genes in a typical human cell?

A)10,000
B)30,000
C)50,000
D)70,000
E)90,000

Question 7

Which of the following best describes the function of DNA polymerase?

A)Initiates synthesis of DNA
B)Initiates synthesis of RNA
C)Proofreads new DNA
D)Proofreads new RNA

Question 8

Which of the following best describes an abnormal gene that may lead to cancer?

A)Proto-oncogene
B)Oncogene
C)Anti-oncogene