Question 1

During transcription, uracil pairs with ____.

Accepted Answer

A)  ribose
B)  adenine
C)  cytosine
D)  thymine
E)  guanine

Question 2

The first amino acid in most proteins is ____.

Accepted Answer

A)  alanine
B)  isoleucine
C)  leucine
D)  methionine
E)  phenylalanine

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 stop

Question 4

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 introns

Question 5

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; cytoplasm

Question 6

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 simultaneously

Question 7

Anticodons pair with ____.

Accepted Answer

A)  mRNA codons
B)  DNA codons
C)  RNA anticodons
D)  amino acids
E)  ribosomes

Question 8

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)  AAA

Question 9

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.

Question 10

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 11

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; DNA

Question 12

Amino acids are joined together in proteins by ____.

Accepted Answer

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

Question 13

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...

Question 14

​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' end

Question 15

Why is a promoter important to transcription?

Accepted Answer

A promoter is the site where R...

Question 16

Transcription is catalyzed by the enzyme ____.

Accepted Answer

A)  RNA polymerase
B)  DNA polymerase
C)  ligase
D)  gyrase
E)  ribosomes

Question 17

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 acids

Question 18

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 acids

Question 19

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 RNA

Question 20

When a gene is transcribed, ____ is produced.

Accepted Answer

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

Exam 9: From DNA to Protein

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

Correct AnswerverifiedShow Answer

The first amino acid in most proteins is ____.

Correct AnswerverifiedShow Answer

During transcription, uracil pairs with ____.

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Which step occurs first during transcription?

Correct AnswerverifiedShow Answer

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

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

Genes are found ____.​

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Amino acids are joined together in proteins by ____.

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

Anticodons pair with ____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When a gene is transcribed, ____ is produced.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Match each term with the most appropriate description. -transcription

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A promoter is the site where R...
View Answer

Correct Answer
verified
The amino acid carried by this...
View Answer

Genes are found ____.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
DNA replication always involves the enti...
View Answer

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

A promoter is found ____ of the gene it controls.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified