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

1
Q

Not true as process

A

Adenylation

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2
Q

Translation occurs on a complex of ribosomes called

A

Polysomes

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3
Q

Two strands are

A

Antiparallel

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4
Q

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

A

Hyperchromicity

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5
Q

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

A

Polarity

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6
Q

Termination factor

A

Rho factor

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7
Q

Purine and pyrimidine are held by

A

Hydrogen bond

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8
Q

Unwinds the DNA

A

helicase

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9
Q

Identifies copying errors and corrects them

A

Proofreading

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10
Q

Adapters for the translation of info

A

tRNA

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11
Q

After splicing off the exons it becomes

A

Messenger RNA (mRNA)

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12
Q

Coding information can be changed at the mRNA level by

A

RNA editing

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13
Q

Yung addition din

A

Processivity

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14
Q

Correct sequence

A

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

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15
Q

Transcription cycle

A

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

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16
Q

Consists of T-G rich sequences

A

Telomeres

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

A

rRNA

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
Q

Correlated with activation and repression of gene transcription

A

Methylation

26
Q

Associated with gene activation, repression and heterochromatic gene silencing

A

Monoubiquitylation

27
Q

Leads to transcription repression

A

Sumoylation

28
Q

Correct transcription sequence of bacterial (Transcription cycle)

A
Template
Binding
Inititation
Promoter
Clearance
Elongation
Termination
Release of RNAP
29
Q

The enzyme responsible for the translation of information from the template strand of DNA to RNA

A

DNA-dependent RNA polymerase

30
Q

Question about before and after RNAP

A

Topoisomerase

31
Q

Removed

A

Introns

32
Q

Spliced together

A

Exons

33
Q

Description of pre-initiation complex

A

Step-wise assembly