Transcription And Translation Flashcards

0
Q

What name is given to the process in which the information encoded in a strand of mRNA is used to construct a protein?

A

Translation

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1
Q

What name is given to the process in which one strand of DNA is used as a template to manufacture a strand of pre-mRNA

A

Transcription

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2
Q

What name is given to the process in which pre-mRNA is edited into mature mRNA

A

RNA processing

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3
Q

Polypeptide polymers are assembled from which set of monomers?

A

Amino acids

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4
Q

The direction of synthesis of an RNA transcript is

A

5’ to 3’

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5
Q

During mRNA processing a ________ is added to the 5’ end of the mRNA

A

Modified guanine nucleotide (cap)

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6
Q

During mRNA processing a_______ is added to the 3’ end of mRNA

A

Long string of adenine nucleotides (poly a tail)

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7
Q

Spliceosomes are composed of

A

SnRNPs and snRNA

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8
Q

mRNA coding segments that are joined to one another by spliceosomes are _____

A

Exons

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9
Q

Translation occurs in the _____

A

Cytoplasm

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10
Q

What enzyme catalyzes the attachment of an amino acid to tRNA ?

A

Aminoacyl-tRNA synthetase

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11
Q

The first amino acid of a polypeptide chain is always…?

A

Methionine

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12
Q

The flow of information in a cell goes from….?

A

From DNA to RNA to protein

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13
Q

The information carried by a DNA molecule is in…?

A

Order of the nucleotides in the molecule

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14
Q

Which enzyme catalyzes transcription

A

RNA polymerase

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15
Q

How does RNA polymerase know where to start transcribing a gene into mRNA?

A

It starts at a certain DNA nucleotide sequence promoter

16
Q

Transcription occurs in the _____

A

Nucleus

17
Q

The non-coding regions of mRNA that are removed during mRNA processing are called?

A

Introns

18
Q

What molecule links an organisms genotype to its phenotype?

A

Proteins

19
Q

RNA differs from DNA because? (Examples)

A

It contains ribose sugar, uses base uracil, single stranded, multiple types with diverse functions

20
Q

mRNA processing acts to…? Examples

A

Prevent degradation of mRNA, single ribosome bonding to initiate translation, enable one gene to encode for multiple polypeptide products

21
Q

Ribosomal subunits are synthesized in the ______?

A

Nucleolus

22
Q

Only one DNA strand is transcribed to mRNA using RNA polymerase during?

A

Transcription