17.2 Transcription/Translation

Question 1

What is the first stage of gene expression?

Answer 1

Transcription

Question 2

What is RNA synthesis catalyzed by?

Answer 2

RNA polymerases

Question 3

What is complementary to the DNA template strand?

Answer 3

RNA

Question 4

Type of synthesis that follows the same base-pairing rules as DNA, except the uarcil substitutes for thymine

Answer 4

RNA synthesis

Question 5

DNA sequence where RNA polymerase attaches

Answer 5

The promoter

Question 6

In bacteria, the sequence signaling the end of transcription

Answer 6

The Terminator

Question 7

Initiation, Elongation, Termination

Answer 7

3 Stages of Transcription

Question 8

What do promoters signal?

Answer 8

The Transcriptional Start Point

Question 9

Extends several dozen nucleotide pairs upstream of the start point

Answer 9

Start Point

Question 10

Mediate the binding of RNA polymerase and the initiation of transcription

Answer 10

Transcription Factors

Question 11

The completed assembly of transcription factors and RNA polymerase II bound to a promoter

Answer 11

Transcription Initiation Complex

Question 12

Promoter that is crucial in forming the initiation complex in eukaryotes

Answer 12

TATA Box

Question 13

Moves along the DNA, untwists the double helix, 10-20 bases at a time

Answer 13

RNA Polymerase

Question 14

Progresses at a rate of 40 nucleotides per second in Eukaryotes

Answer 14

Transcription

Question 15

Can be transcribed simulataneously by several RNA polymerases

Answer 15

A Gene

Question 16

Nucleotides are added to the ____ end of the growing RNA molecules

Answer 16

3”

Question 17

Are the mechanisms of termination different or the same in bacteria & eukaryotes?

Answer 17

Different