Chapter 2 DNA Replication and Transcription

Question 1

The process associated with RNA polymerase is:

A) Meiosis
B) Transcription
C) Translation
D) Meiosis II 
E) Transpiration

Answer 1

B) Transcription

Question 2

Which of the following is needed to preform PCR (may be more than one).

A) Free Nucleotides
B) DNA polymerase 40s
C) DNA polymerase
D) RNA polymerase I
E) TFIIB

Answer 2

A) Free Nucleotides

C) DNA polymerase

Question 3

What could cause all transcription to stop in a prokaryote?

A) The sole RNA polymerase gene has mutated
B) Uracil DNA is not available
C) The nucleus is closed
D) All of the above

Answer 3

A) The sole RNA polymerase gene has mutated

Question 4

You have performed an extraction of a eukaryote cells’ RNA- you discover that there are no mRNA molecules- what is the most likely cause of this?

A) All of the mRNA genes have become mutated
B) All of the siRNA genes have become mutated
C) The RNA polymerase I genes have been inactivated
D) The RNA polymerase II genes have been inactivated
E) The RNA polymerase III genes have been inactivated

Answer 4

D) The RNA polymerase II genes have been inactivated

Question 5

True or False?

Griffith discovered that the transforming material was RNA?

Answer 5

False

Question 6

True or False?

Watson and Crick discovered that DNA was replicated in a conservative manner?

Answer 6

False

Question 7

True or False?

Avery, Macleod and McCarty discovered that DNA was responsible for Griffiths’ transformation experiment?

Answer 7

True

Question 8

True of False?

Prokaryote RNA has multiple origins of replication?

Answer 8

False

Question 9

True or False?

Prokaryote DNA is in its linear form?

Answer 9

False

Question 10

True or False?

Eukaryote DNA has multiple origins of replication?

Answer 10

True

Question 11

True or False?

Housekeeping genes are always expressed?

Answer 11

True

Question 12

True or False?

RNA polymerase III is required for mRNA synthesis?

Answer 12

False

Question 13

True or False?

RNA polymerase II is required for tRNA synthesis?

Answer 13

False

Question 14

True or False?

A heated lid on a PCR machine is used to keep your samples from evaporating?

Answer 14

True

Question 15

Discovered that helical form of DNA

A) Mendel
B) Griffith 
C) Avery, MaCleod, McCarty
D) Franklin
E) Chargaff

Answer 15

D) Franklin

Question 16

Discovered the structure of DNA

A) Mendel
B) Griffith 
C) Avery, MaCleod, McCarty
D) Watson and Crick
E) Chargaff

Answer 16

D) Watson and Crick

Question 17

Discovered that DNA had equal amounts of Adenine and Thymine?

A) Mendel
B) Griffith 
C) Avery, MaCleod, McCarty
D) Watson and Crick
E) Chargaff

Answer 17

E) Chargaff

Question 18

Discovered that DNA was the genetic material

A) Mendel
B) Griffith 
C) Avery, MaCleod, McCarty
D) Watson and Crick
E) Chargaff

Answer 18

C) Avery, MaCleod, McCarty

Question 19

Which of the following molecules is not needed for DNA replication using PCR?

A) DNA polymerase
B) DNA template
C) Specific Primers
D) Helicase

Answer 19

D) Helicase

Question 20

In the Avery at al. experiment, what would it have meant if the removal of polysaccharides from the heat-killed IIIS S. pneumoniae cells had led to the living mouse?

A) That there were no polysaccharides in the cells.
B) It would have shown that mice were made out of polysaccharides
C) It would have shown that the transforming material for mice was polysaccharides

Answer 20

C) It would have shown that the transforming material for mice was polysaccharides

Question 21

The manuscript states that multiple genes are transcribed at the same time. Which of the following statements were supported by this manuscript?

A) When genes are transcribed together they always perform related functions
B) When genes are transcribed together they never perform related functions
C) Nearby genes are always transcribed at the same time
D) Three or more genes are that are close together on a chromosome are always transcribed together
E) None of the above

Answer 21

E) None of the above