Question 1

The RNA that is translated into a polypeptide is ________ RNA.

Accepted Answer

A)  viral
B)  ribosomal
C)  transfer
D)  messenger

Question 2

The CORRECT sequence of events occurring during transcription is ________.

Accepted Answer

A)  splicing,capping,tailing
B)  initiation,elongation,termination
C)  tailing,capping,splicing
D)  elongation,initiation,termination

Question 3

After replication,________.

Accepted Answer

A)  each new DNA double helix consists of two old strands
B)  each new DNA double helix consists of one old strand and one new strand
C)  each new DNA double helix consists of two new strands
D)  one new DNA double helix consists of two old strands and the other new DNA double helix consists of two new strands

Question 4

DNA replication ________.

Accepted Answer

A)  is a slow process that results in virtually no errors
B)  requires DNA polymerase and RNA polymerase
C)  is a very fast process that results in numerous errors
D)  requires the cooperation of over a dozen enzymes and other proteins

Question 5

Once viruses are detected,the number of viruses increases rapidly.This is because ________.

Accepted Answer

A)  lysogeny produces large numbers of bacteriophages
B)  DNA viruses reproduce more rapidly than RNA viruses
C)  the host cell speeds the release process
D)  the viruses lyse the hosts to release mature viruses quickly in a short amount of time

Question 6

Where is translation accomplished?

Accepted Answer

A)  lysosomes
B)  smooth endoplasmic reticulum
C)  ribosomes
D)  nucleoli

Question 7

Scientific research companies sell kits that allow researchers to produce proteins in test tubes via a process known as "in vitro translation." Which one of following components is NOT needed in these kits?

Accepted Answer

A)  amino acids
B)  transfer RNA
C)  DNA
D)  ribosomes

Question 8

Transcription is the ________.

Accepted Answer

A)  manufacture of a strand of RNA complementary to a strand of DNA
B)  manufacture of two new DNA double helices that are identical to an old DNA double helix
C)  modification of a strand of RNA prior to the manufacture of a protein
D)  manufacture of a protein based on information carried by RNA

Question 9

The expressed (coding) regions of eukaryotic genes are called ________.

Accepted Answer

A)  caps
B)  promoters
C)  exons
D)  introns

Question 10

Thymine and cytosine differ from adenine and guanine in that ________.

Accepted Answer

A)  thymine and cytosine are single-ring structures,whereas adenine and guanine are double-ring structures
B)  thymine and cytosine are only found in DNA,whereas adenine and guanine are found in both DNA and RNA
C)  thymine and cytosine are only found in DNA,whereas adenine and guanine are only found in RNA
D)  thymine and cytosine are larger nitrogenous bases

Question 11

Mad cow disease is caused by

Accepted Answer

A)  a retrovirus similar to HIV.
B)  an enveloped virus.
C)  small circular RNA molecules called viroids.
D)  infectious proteins called prions.

Question 12

What is the ultimate source of all diversity?

Accepted Answer

A)  natural selection
B)  sexual recombination
C)  meiosis
D)  mutation

Question 13

Translation converts the information stored in ________ to ________.

Accepted Answer

A)  DNA...RNA
B)  RNA...a polypeptide
C)  DNA...a polypeptide
D)  RNA...DNA

Exam 10: The Structure and Function of Dna

Mad cow disease is caused by

Correct Answer
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After replication,________.

Correct Answer
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Thymine and cytosine differ from adenine and guanine in that ________.

Correct Answer
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Transcription is the ________.

Correct Answer
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Translation converts the information stored in to .

Correct Answer
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The CORRECT sequence of events occurring during transcription is ________.

Correct Answer
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Where is translation accomplished?

Correct Answer
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Once viruses are detected,the number of viruses increases rapidly.This is because ________.

Correct Answer
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Scientific research companies sell kits that allow researchers to produce proteins in test tubes via a process known as "in vitro translation." Which one of following components is NOT needed in these kits?

Correct Answer
verified

What is the ultimate source of all diversity?

Correct Answer
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The expressed (coding) regions of eukaryotic genes are called ________.

Correct Answer
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The RNA that is translated into a polypeptide is ________ RNA.

Correct Answer
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DNA replication ________.

Correct Answer
verified

Exam 10: The Structure and Function of Dna

Mad cow disease is caused by

Correct AnswerverifiedShow Answer

After replication,________.

Correct AnswerverifiedShow Answer

Thymine and cytosine differ from adenine and guanine in that ________.

Correct AnswerverifiedShow Answer

Transcription is the ________.

Correct AnswerverifiedShow Answer

Translation converts the information stored in ________ to ________.

Correct AnswerverifiedShow Answer

The CORRECT sequence of events occurring during transcription is ________.

Correct AnswerverifiedShow Answer

Where is translation accomplished?

Correct AnswerverifiedShow Answer

Once viruses are detected,the number of viruses increases rapidly.This is because ________.

Correct AnswerverifiedShow Answer

Scientific research companies sell kits that allow researchers to produce proteins in test tubes via a process known as "in vitro translation." Which one of following components is NOT needed in these kits?

Correct AnswerverifiedShow Answer

What is the ultimate source of all diversity?

Correct AnswerverifiedShow Answer

The expressed (coding) regions of eukaryotic genes are called ________.

Correct AnswerverifiedShow Answer

The RNA that is translated into a polypeptide is ________ RNA.

Correct AnswerverifiedShow Answer

DNA replication ________.

Correct AnswerverifiedShow Answer

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Translation converts the information stored in to .

Correct Answer
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