Question 1

Anticodons pair with ____.

Accepted Answer

A)  mRNA codons
B)  DNA codons
C)  RNA anticodons
D)  amino acids
E)  ribosomesF) A) and B)
G) B) and C)

Question 2

During transcription, uracil pairs with ____.

Accepted Answer

A)  ribose
B)  adenine
C)  cytosine
D)  thymine
E)  guanineF) B) and E)
G) A) and B)

Question 3

Of all the different codons that exist, three of them do not encode a particular amino acid. Their role is to ____.

Accepted Answer

A)  allow for any amino acid to be added in their place
B)  encode tRNA molecules
C)  provide instructions on the tertiary structure of the protein
D)  signal the start of translation
E)  signal translation to stopF) A) and E)
G) C) and D)

Question 4

Transcription is catalyzed by the enzyme ____.

Accepted Answer

A)  RNA polymerase
B)  DNA polymerase
C)  ligase
D)  gyrase
E)  ribosomesF) B) and D)
G) All of the above

Question 5

The first amino acid in most proteins is ____.

Accepted Answer

A)  alanine
B)  isoleucine
C)  leucine
D)  methionine
E)  phenylalanineF) A) and C)
G) A) and E)

Question 6

Match each term with the most appropriate description.
-transcription

Accepted Answer

A)  sites at which RNA polymerases can bind and initiate transcription
B)  encodes the gene's protein building information for translation
C)  process which is guided and catalyzed by RNA polymerases
D)  a tRNA triplet that binds to mRNA
E)  a set of three nucleotides that codes for an amino acidF) process which includes the formation of peptide bonds between amino acidsG) None of the above
H) A) and F)

Question 7

In bacteria and archaea, translation can begin before transcription is complete because ____.

Accepted Answer

A)  both processes occur in the endoplasmic reticulum
B)  both processes occur in the cytoplasm
C)  both processes occur in the nucleus
D)  the ribosome can perform transcription and translation simultaneously
E)  RNA polymerase can perform transcription and translation simultaneouslyF) B) and C)
G) C) and E)

Question 8

The template for transcription is ____ and the template for translation is ____.

Accepted Answer

A)  mRNA; protein
B)  RNA; DNA
C)  DNA; mRNA
D)  amino acids; protein
E)  protein; DNAF) B) and E)
G) C) and D)

Question 9

How do replication and transcription differ in terms of the portion of a DNA strand that is used in the process?

Accepted Answer

DNA replication always involves the enti...

Question 10

In eukaryotes, translation occurs in the ____; in prokaryotes, translation occurs in the ____.

Accepted Answer

A)  nucleus; cytoplasm
B)  cytoplasm; nucleus
C)  cytoplasm; cytoplasm
D)  nucleus; nucleus
E)  endoplasmic reticulum; cytoplasmF) B) and D)
G) B) and E)

Question 11

When a gene is transcribed, ____ is produced.

Accepted Answer

A)  more DNA
B)  protein or polypeptide sequences
C)  messenger RNA
D)  enzymes
E)  genetic defectsF) B) and C)
G) A) and D)

Question 12

Genes are found ____.​

Accepted Answer

A)  ​only at the 3' end of a DNA molecule
B)  ​only at the 5' end of a DNA molecule
C)  ​only on one strand of a DNA molecule
D)  ​on both strands of a DNA molecule
E)  ​only in intronsF) B) and E)
G) None of the above

Question 13

Amino acids are joined together in proteins by ____.

Accepted Answer

A)  hydrogen bonds
B)  peptide bonds
C)  anticodons
D)  base-pairing bonds
E)  codon bondsF) B) and E)
G) D) and E)

Question 14

Answer the questions in reference to the five RNA codons listed below. Some choices may be used more than once.
-This codon terminates a coding region.

Accepted Answer

A)  AUG
B)  UAA
C)  UUU
D)  UUA
E)  AAAF) A) and D)
G) A) and C)

Question 15

During translation, free amino acids are carried to the ribosomes by ____.

Accepted Answer

A)  mRNA
B)  tRNA
C)  microRNAs
D)  rRNA
E)  any form of RNAF) A) and C)
G) C) and E)

Question 16

Match each term with the most appropriate description.
-messenger RNA

Accepted Answer

A)  sites at which RNA polymerases can bind and initiate transcription
B)  encodes the gene's protein building information for translation
C)  process which is guided and catalyzed by RNA polymerases
D)  a tRNA triplet that binds to mRNA
E)  a set of three nucleotides that codes for an amino acidF) process which includes the formation of peptide bonds between amino acidsG) D) and E)
H) A) and E)

Question 17

​A promoter is found ____ of the gene it controls.

Accepted Answer

A)  upstream​
B)  ​downstream
C)  ​in the intron
D)  ​in the middle
E)  ​at the 3' endF) A) and C)
G) B) and C)

Question 18

Which step occurs first during transcription?

Accepted Answer

A)  Free RNA nucleotides are added to an RNA chain.
B)  RNA polymerase unwinds DNA.
C)  RNA polymerase attaches to the promoter site.
D)  The new RNA strand is released from RNA polymerase.
E)  The introns are removed from the RNA strand.F) A) and C)
G) C) and D)

Question 19

Why is a promoter important to transcription?

Accepted Answer

A promoter is the site where R...

Question 20

An anticodon has the sequence GCG. What amino acid does this tRNA carry? What would be the effect of a mutation that changed the C of the anticodon to a G?

Accepted Answer

The amino acid carried by this...

Exam 9: From DNA to Protein

In bacteria and archaea, translation can begin before transcription is complete because ____.

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Which step occurs first during transcription?

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​A promoter is found ____ of the gene it controls.

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Anticodons pair with ____.

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Of all the different codons that exist, three of them do not encode a particular amino acid. Their role is to ____.

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Amino acids are joined together in proteins by ____.

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The first amino acid in most proteins is ____.

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An anticodon has the sequence GCG. What amino acid does this tRNA carry? What would be the effect of a mutation that changed the C of the anticodon to a G?

Correct AnswerverifiedThe amino acid carried by this...View AnswerShow Answer

Match each term with the most appropriate description. -messenger RNA

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During transcription, uracil pairs with ____.

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Genes are found ____.​

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The template for transcription is ____ and the template for translation is ____.

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Answer the questions in reference to the five RNA codons listed below. Some choices may be used more than once. -This codon terminates a coding region.

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During translation, free amino acids are carried to the ribosomes by ____.

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Match each term with the most appropriate description. -transcription

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In eukaryotes, translation occurs in the ____; in prokaryotes, translation occurs in the ____.

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Transcription is catalyzed by the enzyme ____.

Correct AnswerverifiedShow Answer

Why is a promoter important to transcription?

Correct AnswerverifiedA promoter is the site where R...View AnswerShow Answer

When a gene is transcribed, ____ is produced.

Correct AnswerverifiedShow Answer

How do replication and transcription differ in terms of the portion of a DNA strand that is used in the process?

Correct AnswerverifiedDNA replication always involves the enti...View AnswerShow Answer

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A promoter is found ____ of the gene it controls.

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The amino acid carried by this...
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Genes are found ____.

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The template for transcription is and the template for translation is .

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In eukaryotes, translation occurs in the ; in prokaryotes, translation occurs in the .

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A promoter is the site where R...
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DNA replication always involves the enti...
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