Question 1

Transposable elements:

Accepted Answer

A)  Are segments of RNA found in chromosomes
B)  Are another name for translocations
C)  Are DNA sequences that can "jump" within the genome
D)  Result from damage to the chromosomes by things like radiation
E)  Are formed during transcriptionF) C) and D)
G) C) and E)

Question 2

The step of translation in which release factors bind to a stop codon is:

Accepted Answer

A)  Mitosis
B)  Termination
C)  Initiation
D)  Elongation
E)  TranscriptionF) B) and E)
G) C) and D)

Question 3

Initiation,elongation,and termination are the three main steps in:

Accepted Answer

A)  Replication and translation
B)  Transcription and translation,.
C)  Translation.
D)  Replication,
E)  TranslationF) A) and D)
G) None of the above

Question 4

The step of translation in which amino acids are added one at a time to the growing polypeptide is:

Accepted Answer

A)  Mitosis
B)  Initiation
C)  Elongation
D)  Termination
E)  TranscriptionF) B) and D)
G) A) and B)

Question 5

In creating a transgenic organism,the ____ from one species is inserted into another species.

Accepted Answer

A)  RNA
B)  DNA
C)  protein
D)  DNA or protein
E)  RNA or proteinF) C) and E)
G) None of the above

Question 6

FOXP2 functions by:

Accepted Answer

A)  Regulating cell division
B)  Regulating mRNA splicing
C)  Regulating the transcription of other genes
D)  Acting as a neurotransmitter between neurons in the ear and brain
E)  Acting as a neurotransmitter between neurons and muscles in the jawF) D) and E)
G) B) and C)

Question 7

In humans,typically only infants produce the enzyme lactase to break down lactose.Some adults have changes in _____ that allow transcription factors to bind and turn on expression of the lactase gene into adulthood.

Accepted Answer

A)  Exons
B)  RNA polymerase
C)  Enhancers
D)  mRNA
E)  CodonsF) A) and D)
G) A) and C)

Question 8

Cystic fibrosis may be caused by a protein that does not fold correctly into its final form.

Accepted Answer

A) True 
 B)False

Question 9

Why would it take more energy to separate the double-stranded region of DNA with the sequence GCGCGCGC than a region with the sequence ATATATAT?

Accepted Answer

A)  GC base pairs form more phosphodiester bonds
B)  The helix is wound more tightly in GC base pairs
C)  GC base pairs form more hydrogen bonds
D)  The sequence containing G's and C's is longer
E)  GC base pairs form covalent bonds between DNA strandsF) B) and D)
G) None of the above

Question 10

Which of the following does not occur during translation's termination step?

Accepted Answer

A)  The initiator tRNA brings the amino acid methionine
B)  Ribosomal subunits separate from each other
C)  The polypeptide is released
D)  A "stop" codon is reached by the ribosome
E)  Release factors bind to the stop codonF) B) and C)
G) A) and C)

Question 11

In a molecule of DNA:

Accepted Answer

A)  Cytosine pairs with adenine
B)  Thymine pairs with uracil
C)  Adenine pairs with uracil
D)  Adenine pairs with thymine
E)  Cytosine pairs with thymineF) B) and D)
G) A) and D)

Question 12

The step of translation in which an mRNA,a small ribosomal subunit,and the initiator tRNA are aligned together is:

Accepted Answer

A)  Initiation
B)  Mitosis
C)  Elongation
D)  Termination
E)  TranscriptionF) C) and D)
G) A) and B)

Question 13

The twisted ladder of DNA is composed of building blocks called:

Accepted Answer

A)  Amino acids
B)  Monosaccharides
C)  Phospholipids
D)  Disaccharides
E)  NucleotidesF) A) and B)
G) C) and E)

Question 14

A tRNA molecule is "bilingual" because it binds to:

Accepted Answer

A)  Amino acids and DNA
B)  DNA and mRNA codons
C)  Promoters and amino acids
D)  Codons of mRNA and amino acids
E)  Promoters and terminatorsF) A) and B)
G) A) and C)

Question 15

In eukaryotes transcription copies just one gene from one DNA strand,but replication copies both strands of an entire chromosome.

Accepted Answer

A) True 
 B)False

Question 16

The rungs of the DNA ladder:

Accepted Answer

A)  Are formed by base pairs joined by covalent bonds
B)  Are formed by base pairs joined by hydrogen bonds.
C)  Are formed by base pairs joined by phosphodiester bonds..
D)  Are formed by base pairs joined by hydrogen bonds,E) C) and D)
F) B) and D)

Question 17

The DNA sequence 5' - ATGCATGC - 3' will pair with which of the following DNA strands?

Accepted Answer

A)  3' - TAGCTAGC - 5'
B)  5' - TAGCTAGC - 3'
C)  3' - ATGCATGC - 5'
D)  5' - ATGCATGC - 3'
E)  3' - CGTACGTA - 5'F) B) and D)
G) None of the above

Question 18

The process by which cells use the information of RNA molecules to make proteins is transcription.

Accepted Answer

A) True 
 B)False

Question 19

Treating a solution from S strain Streptococcus pneumoniae with an enzyme that destroys ____ would prevent it from transforming type R bacteria into a form that would cause pneumonia in mice.

Accepted Answer

A)  DNA
B)  Protein
C)  Lipid
D)  DNA or protein
E)  Protein or lipidF) D) and E)
G) B) and E)

Exam 7: Dna Structure and Gene Function

FOXP2 functions by:

Correct Answer
verified

Why would it take more energy to separate the double-stranded region of DNA with the sequence GCGCGCGC than a region with the sequence ATATATAT?

Correct Answer
verified

Transposable elements:

Correct Answer
verified

In humans,typically only infants produce the enzyme lactase to break down lactose.Some adults have changes in _____ that allow transcription factors to bind and turn on expression of the lactase gene into adulthood.

Correct Answer
verified

The process by which cells use the information of RNA molecules to make proteins is transcription.

Correct Answer
verified

The twisted ladder of DNA is composed of building blocks called:

Correct Answer
verified

The DNA sequence 5' - ATGCATGC - 3' will pair with which of the following DNA strands?

Correct Answer
verified

In a molecule of DNA:

Correct Answer
verified

Treating a solution from S strain Streptococcus pneumoniae with an enzyme that destroys ____ would prevent it from transforming type R bacteria into a form that would cause pneumonia in mice.

Correct Answer
verified

In eukaryotes transcription copies just one gene from one DNA strand,but replication copies both strands of an entire chromosome.

Correct Answer
verified

The step of translation in which an mRNA,a small ribosomal subunit,and the initiator tRNA are aligned together is:

Correct Answer
verified

A tRNA molecule is "bilingual" because it binds to:

Correct Answer
verified

The rungs of the DNA ladder:

Correct Answer
verified

The step of translation in which release factors bind to a stop codon is:

Correct Answer
verified

Cystic fibrosis may be caused by a protein that does not fold correctly into its final form.

Correct Answer
verified

Initiation,elongation,and termination are the three main steps in:

Correct Answer
verified

In creating a transgenic organism,the ____ from one species is inserted into another species.

Correct Answer
verified

Which of the following does not occur during translation's termination step?

Correct Answer
verified

The step of translation in which amino acids are added one at a time to the growing polypeptide is:

Correct Answer
verified

Exam 7: Dna Structure and Gene Function

FOXP2 functions by:

Correct AnswerverifiedShow Answer

Why would it take more energy to separate the double-stranded region of DNA with the sequence GCGCGCGC than a region with the sequence ATATATAT?

Correct AnswerverifiedShow Answer

Transposable elements:

Correct AnswerverifiedShow Answer

In humans,typically only infants produce the enzyme lactase to break down lactose.Some adults have changes in _____ that allow transcription factors to bind and turn on expression of the lactase gene into adulthood.

Correct AnswerverifiedShow Answer

The process by which cells use the information of RNA molecules to make proteins is transcription.

Correct AnswerverifiedShow Answer

The twisted ladder of DNA is composed of building blocks called:

Correct AnswerverifiedShow Answer

The DNA sequence 5' - ATGCATGC - 3' will pair with which of the following DNA strands?

Correct AnswerverifiedShow Answer

In a molecule of DNA:

Correct AnswerverifiedShow Answer

Treating a solution from S strain Streptococcus pneumoniae with an enzyme that destroys ____ would prevent it from transforming type R bacteria into a form that would cause pneumonia in mice.

Correct AnswerverifiedShow Answer

In eukaryotes transcription copies just one gene from one DNA strand,but replication copies both strands of an entire chromosome.

Correct AnswerverifiedShow Answer

The step of translation in which an mRNA,a small ribosomal subunit,and the initiator tRNA are aligned together is:

Correct AnswerverifiedShow Answer

A tRNA molecule is "bilingual" because it binds to:

Correct AnswerverifiedShow Answer

The rungs of the DNA ladder:

Correct AnswerverifiedShow Answer

The step of translation in which release factors bind to a stop codon is:

Correct AnswerverifiedShow Answer

Cystic fibrosis may be caused by a protein that does not fold correctly into its final form.

Correct AnswerverifiedShow Answer

Initiation,elongation,and termination are the three main steps in:

Correct AnswerverifiedShow Answer

In creating a transgenic organism,the ____ from one species is inserted into another species.

Correct AnswerverifiedShow Answer

Which of the following does not occur during translation's termination step?

Correct AnswerverifiedShow Answer

The step of translation in which amino acids are added one at a time to the growing polypeptide is:

Correct AnswerverifiedShow Answer

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