Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biol 3310 > C7 DNA to Protein > Flashcards

C7 DNA to Protein Flashcards

1
Q

What is a promoter

A

Location of the initiation of synthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Three steps in Nucleic acid polymerization

A

Initiation, elongation, termination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Bacterial RNAP uses this to help recognize the DNA sequence of a promoter

A

sigma factor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Has polycistronic DNA (eukarya vs prokarya)

A

prokarya

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

In prokaryotes, it directs RNAP to start at different promoter sequences

A

sigma factor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

number of RNA polymerases in prokaryotes

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

number of RNA polymerases in eukaryotes

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which RNAP makes rRNA in eukaryotes

A

pol I

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which RNAP makes tRNA and snRNA in eukaryotes

A

pol III

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which RNAP makes mRNA in eukaryotes

A

pol II

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Requires multiple general transcription factors to form a transcription initiation complex

A

RNAP 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The TBP region of this transcription factor binds to the TATA box within the promoter

A

TFIID

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What occurs when RNAP II transitions from initiation to elongation?

A

Initiation factors release and C-terminal domain of RNAP is phosphorylated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why does thymine in DNA have less error than Uracil in RNA?

A

cytosine can be deaminated to uracil. Easily recognized in DNA as error. More difficult in RNA.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

In eukaryotes, transcription occurs here

A

nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is added to the 5’ end of a primary transcript?

A

7-methyl-G

17
Q

How does the 5cap and PolyAtail effect the mRNA?

A

Allows it to be transported out of the nucleus and increases its stability

18
Q

Single coding sequence that codes for multiple proteins

A

polycistronic

19
Q

Splicing is controlled by a ? complex known as a ?. It contains ?

A

ribonucleoprotein. spliceosome. snRNPs

20
Q

Why have splicing?

A

Additional flexibility in recombination

21
Q

snRNPs are made up of.. (2)

A

protein and snRNA

22
Q

Enzyme that catalyzes charging of tRNAs with respective amino acid

A

aminoacyl-tRNA syntetases

23
Q

Two types of Ribosomes

A

attached to rough ER and free ribosomes

24
Q

Prokaryote ribosome binding site

A

shine dalgarno

25
Q

proteins are broken down by ? often in a ?

A

proteases, proteasome

26
Q

Signal recognized by proteasome

A

ubiquitin

27
Q

RNA enzymes

A

ribozymes

28
Q

Bacteria Promoter Stuctures

A

-35 and -10 sequences and sigma factors

29
Q

Eukaryote Promoter Structures

A

TATA Box and general transcription factors

30
Q

Bacteria Ribosome mRNA binding structures

A

Shine dalgarno and AUG

31
Q

Eukaryote Ribosome mRNA binding structures

A

5’cap and AUG

32
Q

Describe eukaryotic translation initiation

A

initiator tRNA and initiation factors bind to small ribosome subunit. Snall subunit binds to mRNA. Initiator tRNA finds AUG start site. Initiation factors dissociate. Large ribosome subunit binds.

Biol 3310 (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions