[RECALLS] Batch 2022 - 04/03/2019 Flashcards

1
Q

Not true as process

A

Adenylation

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

Translation occurs on a complex of ribosomes called

A

Polysomes

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

Two strands are

A

Antiparallel

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

Concomitant with this denaturation of DNA is an increase in the optical absorbance of the purine and pyrimidine bases

A

Hyperchromicity

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

The message is read from 5’ to 3’ concluding with the formation of the carboxyl terminal of the protein

A

Polarity

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

Termination factor

A

Rho factor

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

Purine and pyrimidine are held by

A

Hydrogen bond

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

Unwinds the DNA

A

helicase

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

Identifies copying errors and corrects them

A

Proofreading

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

Adapters for the translation of info

A

tRNA

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

After splicing off the exons it becomes

A

Messenger RNA (mRNA)

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

Coding information can be changed at the mRNA level by

A

RNA editing

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

Yung addition din

A

Processivity

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

Correct sequence

A

Metaphase chromosome - Condensed loops - Noncondensed loops - 30 nm chromatin fibril - Beads on a string - Naked double helical

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

Transcription cycle

A

Template binding - Chain initiation - Promoter clearance - Elongation - Termination - RNA release

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

Consists of T-G rich sequences

17
Q

Similar in RNA and DNA

A

Adherence to Watson-Crick base pairing

18
Q

Enzyme responsible for the polymerization of ribonucleotides into a sequence complementary to the template strand of the gene is the:

A

DNA - dependent RNA polymerase

19
Q

RNA polymerase I

20
Q

Transcriptionally inactive

A

Heterochromatin

21
Q

Associated with activation or inactivation of gene expression

A

Acetylation

22
Q

Associated with chromosomal assembly during DNA replication

A

Acetylation

23
Q

Associated with the condensation of chromosomes during the replication cycle

A

Phosphorylation

24
Q

Associated with DNA repair

A

ADP-ribosylation

25
Correlated with activation and repression of gene transcription
Methylation
26
Associated with gene activation, repression and heterochromatic gene silencing
Monoubiquitylation
27
Leads to transcription repression
Sumoylation
28
Correct transcription sequence of bacterial (Transcription cycle)
``` Template Binding Inititation Promoter Clearance Elongation Termination Release of RNAP ```
29
The enzyme responsible for the translation of information from the template strand of DNA to RNA
DNA-dependent RNA polymerase
30
Question about before and after RNAP
Topoisomerase
31
Removed
Introns
32
Spliced together
Exons
33
Description of pre-initiation complex
Step-wise assembly