Question 1

RNA polymerase binds to the

Accepted Answer

A)   start codon.
B)   termination sequence.
C)   regulation sequence.
D)   promoter sequence.E) A) and B)
F) None of the above

Question 2

During replication, each parent DNA strand serves as a _____ for synthesis of new DNA strands.

Accepted Answer

A)   copy point
B)   template
C)   comparison molecule
D)   scaffold
E)   reservoirF) A) and C)
G) B) and C)

Question 3

A permanent, inheritable change in the genetic information is called an)

Accepted Answer

A)   translation.
B)   transcription.
C)   mutation.
D)   alteration.
E)   regeneration.F) A) and D)
G) None of the above

Question 4

DNA replication proceeds in one direction around the bacterial chromosome.

Accepted Answer

A) True 
 B)False

Question 5

Some RNA viruses direct the synthesis of double-stranded DNA at some point in their life cycle.

Accepted Answer

A) True 
 B)False

Question 6

Which cell can transfer the most DNA?

Accepted Answer

A)   F+ cell
B)   F-cell
C)   Hfr cell
D)   R cell
E)   B cellF) C) and D)
G) D) and E)

Question 7

Which of the following is not a type of bacterial DNA recombination?

Accepted Answer

A)   transformation
B)   conjugation
C)   mitosis
D)   transductionE) B) and D)
F) A) and B)

Question 8

A frameshift is caused by ______ mutations?

Accepted Answer

A)   missense and insertion
B)   missense and nonsense
C)   nonsense and deletion
D)   deletion and insertion
E)   insertion and nonsenseF) A) and C)
G) A) and E)

Question 9

Introns have no detectable functions.

Accepted Answer

A) True 
 B)False

Question 10

Semiconservative replication refers to

Accepted Answer

A)   each base bonding at the 1'position of the sugar.
B)   a purine always bonding to a pyrimidine.
C)   one helix strand that runs from the 5'to 3'direction and the other strand runs from the 3'to 5'direction.
D)   an original parent DNA strand and one newly synthesized DNA strand comprising a new DNA molecule.E) A) and B)
F) B) and D)

Question 11

Full induction of the lactose operon requires

Accepted Answer

A)   that lactose be present.
B)   that lactose and glucose both be present.
C)   that lactose be present without glucose.
D)   that lactose and arabinose both be present.
E)   All of these choices induce the lactose operon.F) B) and D)
G) All of the above

Question 12

The DNA of microorganisms is made up of subunits called

Accepted Answer

A)   histones.
B)   amino acids.
C)   nucleotides.
D)   mRNA.
E)   polymerases.F) A) and E)
G) A) and D)

Question 13

Repressible operons require that _____ bind to the repressor protein before it can bind to the operator.

Accepted Answer

A)   the product
B)   a cofactor
C)   a coenzyme
D)   the substrate
E)   the reactantF) A) and D)
G) None of the above

Exam 9: Microbial Genetics

Full induction of the lactose operon requires

Correct Answer
verified

Which cell can transfer the most DNA?

Correct Answer
verified

RNA polymerase binds to the

Correct Answer
verified

A permanent, inheritable change in the genetic information is called an)

Correct Answer
verified

DNA replication proceeds in one direction around the bacterial chromosome.

Correct Answer
verified

During replication, each parent DNA strand serves as a _____ for synthesis of new DNA strands.

Correct Answer
verified

The DNA of microorganisms is made up of subunits called

Correct Answer
verified

Semiconservative replication refers to

Correct Answer
verified

Some RNA viruses direct the synthesis of double-stranded DNA at some point in their life cycle.

Correct Answer
verified

A frameshift is caused by ______ mutations?

Correct Answer
verified

Introns have no detectable functions.

Correct Answer
verified

Which of the following is not a type of bacterial DNA recombination?

Correct Answer
verified

Repressible operons require that _____ bind to the repressor protein before it can bind to the operator.

Correct Answer
verified

Exam 9: Microbial Genetics

Full induction of the lactose operon requires

Correct AnswerverifiedShow Answer

Which cell can transfer the most DNA?

Correct AnswerverifiedShow Answer

RNA polymerase binds to the

Correct AnswerverifiedShow Answer

A permanent, inheritable change in the genetic information is called an)

Correct AnswerverifiedShow Answer

DNA replication proceeds in one direction around the bacterial chromosome.

Correct AnswerverifiedShow Answer

During replication, each parent DNA strand serves as a _____ for synthesis of new DNA strands.

Correct AnswerverifiedShow Answer

The DNA of microorganisms is made up of subunits called

Correct AnswerverifiedShow Answer

Semiconservative replication refers to

Correct AnswerverifiedShow Answer

Some RNA viruses direct the synthesis of double-stranded DNA at some point in their life cycle.

Correct AnswerverifiedShow Answer

A frameshift is caused by ______ mutations?

Correct AnswerverifiedShow Answer

Introns have no detectable functions.

Correct AnswerverifiedShow Answer

Which of the following is not a type of bacterial DNA recombination?

Correct AnswerverifiedShow Answer

Repressible operons require that _____ bind to the repressor protein before it can bind to the operator.

Correct AnswerverifiedShow Answer

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