Question 1

Which of thfollowing woulNOT bthcausof mutations in DNA sequences?

Accepted Answer

A) RNA polymerase 
B) DNA polymerase 
C) transposable elements 
D) UV light 
E) DNA polymerase and RNA polymerase 
A) RNA polymerase 
B) DNA polymerase 
C) transposable elements 
D) UV light 
E) DNA polymerase and RNA polymerase

Question 2

Examine the following figure and answer questions 
  
-Stran# 1 represents

Accepted Answer

A) the coding DNA strand. 
B) the transcript. 
C) the non-coding DNA strand. 
D) the transferred strand. 
E) any of these. 
A) the coding DNA strand. 
B) the transcript. 
C) the non-coding DNA strand. 
D) the transferred strand. 
E) any of these.

Question 3

Sickle-cell anemia has been traceto what typof mutation?

Accepted Answer

A) frameshift 
B) base-pair substitution 
C) mutagenic 
D) transposable element 
E) viral 
A) frameshift 
B) base-pair substitution 
C) mutagenic 
D) transposable element 
E) viral

Question 4

Thprocess by which thgenetic information is converteto an RNA or protein product is called

Accepted Answer

A) gene expression. 
B) genomic expression. 
C) gene transcription. 
D) genomic transcription. 
E) gene translation. 
A) gene expression. 
B) genomic expression. 
C) gene transcription. 
D) genomic transcription. 
E) gene translation.

Question 5

In prokaryotes, translation takes placin the

Accepted Answer

A) cytoplasm. 
B) nucleus. 
C) periplasm. 
D) endoplasm. 
E) stroma. 
A) cytoplasm. 
B) nucleus. 
C) periplasm. 
D) endoplasm. 
E) stroma.

Question 6

Transposablelements

Accepted Answer

A) are segments of viral DNA that can insert anywhere in a chromosome. 
B) are segments of RNA that can insert by bacteria anywhere in a chromosome. 
C) are segments of DNA that can insert themselves anywhere in a chromosome. 
D) are segments of RNA that can insert themselves anywhere in a chromosome. 
E) are segments of DNA that can insert by bacteria anywhere in a chromosome. 
A) are segments of viral DNA that can insert anywhere in a chromosome. 
B) are segments of RNA that can insert by bacteria anywhere in a chromosome. 
C) are segments of DNA that can insert themselves anywhere in a chromosome. 
D) are segments of RNA that can insert themselves anywhere in a chromosome. 
E) are segments of DNA that can insert by bacteria anywhere in a chromosome.

Question 7

Which of thfollowing letters is NOT founin RNA molecules?

Accepted Answer

A) U 
B) A 
C) T 
D) C 
E) G 
A) U 
B) A 
C) T 
D) C 
E) G

Question 8

Which of thfollowing processes is responsiblfor thconversion of DNA information into RNA?

Accepted Answer

A) replication 
B) transcription 
C) duplication 
D) translation 
E) any of these 
A) replication 
B) transcription 
C) duplication 
D) translation 
E) any of these

Question 9

Four of thfivanswers listebelow arrelateto RNA synthesis.Select thEXCEPTION.

Accepted Answer

A) nucleotides 
B) amino acids 
C) RNA polymerase 
D) messenger RNA 
E) DNA 
A) nucleotides 
B) amino acids 
C) RNA polymerase 
D) messenger RNA 
E) DNA

Question 10

Transcription starts at a region of DNA callea(n)

Accepted Answer

A) sequencer. 
B) promoter. 
C) activator. 
D) terminator. 
E) transcriber. 
A) sequencer. 
B) promoter. 
C) activator. 
D) terminator. 
E) transcriber.

Question 11

Mutations may bcauseby

Accepted Answer

A) DNA polymerase during replication. 
B) transposable elements. 
C) UV light and X-ray radiations. 
D) some natural chemicals. 
E) all of these. 
A) DNA polymerase during replication. 
B) transposable elements. 
C) UV light and X-ray radiations. 
D) some natural chemicals. 
E) all of these.

Question 12

Homeotic genes are, in general, in control of

Accepted Answer

A) X chromosome inactivation. 
B) formation of organs and tissues. 
C) hormone synthesis. 
D) dosage compensation. 
E) all of these. 
A) X chromosome inactivation. 
B) formation of organs and tissues. 
C) hormone synthesis. 
D) dosage compensation. 
E) all of these.

Question 13

__________ assembllipids, carbohydrates, anreplicatDNA.

Accepted Answer

A) Saccharides 
B) Amino acids 
C) Nucleotides 
D) Enzymes 
E) Messenger RNAs 
A) Saccharides 
B) Amino acids 
C) Nucleotides 
D) Enzymes 
E) Messenger RNAs

Question 14

DNA molecules contain sequences called

Accepted Answer

A) genotypes. 
B) genomes. 
C) divisions. 
D) genes. 
E) sections. 
A) genotypes. 
B) genomes. 
C) divisions. 
D) genes. 
E) sections.

Question 15

Thgenetic code

Accepted Answer

A) is universal for all organisms. 
B) is based upon 64 codons made of sequences of three nucleotides. 
C) also comes equipped with stop codons. 
D) is redundant; that is, most amino acids have more than one codon. 
E) is true of all of these. 
A) is universal for all organisms. 
B) is based upon 64 codons made of sequences of three nucleotides. 
C) also comes equipped with stop codons. 
D) is redundant; that is, most amino acids have more than one codon. 
E) is true of all of these.

Question 16

__________ molecules carry protein-assembly instructions frothnucleus to thcytoplasm.

Accepted Answer

A) temple DNA 
B) messenger RNA 
C) transfer RNA 
D) ribosomal RNA 
E) all of these 
A) temple DNA 
B) messenger RNA 
C) transfer RNA 
D) ribosomal RNA 
E) all of these

Question 17

Thchanging of a business letter froshorthanto typewritten copy is analogous to

Accepted Answer

A) protein synthesis. 
B) translation of mRNA. 
C) transcription of DNA. 
D) deciphering the genetic code. 
E) replication of DNA. 
A) protein synthesis. 
B) translation of mRNA. 
C) transcription of DNA. 
D) deciphering the genetic code. 
E) replication of DNA.

Exam 7: Gene Expression and Control

Which of thfollowing woulNOT bthcausof mutations in DNA sequences?

Examine the following figure and answer questions -Stran# 1 represents

Sickle-cell anemia has been traceto what typof mutation?

Thprocess by which thgenetic information is converteto an RNA or protein product is called

In prokaryotes, translation takes placin the

Transposablelements

Which of thfollowing letters is NOT founin RNA molecules?

Which of thfollowing processes is responsiblfor thconversion of DNA information into RNA?

Four of thfivanswers listebelow arrelateto RNA synthesis.Select thEXCEPTION.

Transcription starts at a region of DNA callea(n)

Mutations may bcauseby

Homeotic genes are, in general, in control of

__________ assembllipids, carbohydrates, anreplicatDNA.

DNA molecules contain sequences called

Thgenetic code

__________ molecules carry protein-assembly instructions frothnucleus to thcytoplasm.

Thchanging of a business letter froshorthanto typewritten copy is analogous to

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