Lecture 5 Flashcards

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1
Q

Q: where is RNA Polymerases l Location?

A

In nucleolus

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2
Q

Q: where is RNA Polymerases ll Location?

A

In nucleus

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3
Q

Promoters which lack a TATA box are
referred to as

A

TATA less promoters .

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4
Q

TATA box(-25) is an example of which promoter?

A

Class II promoters: Core promoter

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5
Q

pre-initiation complex contain of:

A

RNA polymerase II + six general transcription factors

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6
Q

basic unit of chromatin

A

nucleosome.

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7
Q

leads to loosing the contact between histones and DNA.

A

Acetylation

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8
Q

catalyzed leads to tight binding between histonsand DNA

A

De acetylation

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9
Q

when a polyadenylation signal appears in the RNA transcript .

A

Termination begins

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10
Q

RNA polymerase copies …… strand of DNA into RNA

A

One strand

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11
Q

RNA is always synthesized in the ……… direction

A

5 to 3 direction

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12
Q

DNA template strand in a …….. direction.

A

3 to 5direction.

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13
Q

DNA strand which has the same sequence as the RNA is called

A

coding or sense strand

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