Question 1

The form of RNA that carries the code from DNA to the site of protein assembly is called

Accepted Answer

A)  messenger RNA. 
B)  nuclear RNA. 
C)  ribosomal RNA. 
D)  transfer RNA. 
E)  structural RNA. 
A)  messenger RNA. 
B)  nuclear RNA. 
C)  ribosomal RNA. 
D)  transfer RNA. 
E)  structural RNA.

Question 2

In correct order, the three stages of translation are

Accepted Answer

A)  initiation, replication, and termination. 
B)  elongation, peptide bond formation, and codon-anticodon pairing. 
C)  initiation, chain elongation, and termination. 
D)  termination, initiation, and replication. 
E)  none of these. 
A)  initiation, replication, and termination. 
B)  elongation, peptide bond formation, and codon-anticodon pairing. 
C)  initiation, chain elongation, and termination. 
D)  termination, initiation, and replication. 
E)  none of these.

Question 3

Gene expression requires the participation of the following three types of RNA: __________, __________and __________.

Accepted Answer

messenger RNA (mRNA)

Question 4

A polysome is

Accepted Answer

A)  one of the units of a ribosome. 
B)  the nuclear organelle that synthesizes RNA. 
C)  an organelle that functions similarly to a ribosome during meiosis. 
D)  the two units of a ribosome considered together. 
E)  an mRNA molecule with several ribosomes attached. 
A)  one of the units of a ribosome. 
B)  the nuclear organelle that synthesizes RNA. 
C)  an organelle that functions similarly to a ribosome during meiosis. 
D)  the two units of a ribosome considered together. 
E)  an mRNA molecule with several ribosomes attached.

Question 5

Before messenger RNA is mature,

Accepted Answer

A)  all exons are deleted and removed. 
B)  a cap and a tail are provided. 
C)  anticodons are assembled. 
D)  the transfer RNA transfers the messenger RNA to the ribosome. 
E)  the single RNA strand duplicates itself in much the same way as DNA. 
A)  all exons are deleted and removed. 
B)  a cap and a tail are provided. 
C)  anticodons are assembled. 
D)  the transfer RNA transfers the messenger RNA to the ribosome. 
E)  the single RNA strand duplicates itself in much the same way as DNA.

Question 6

Mutations may arise by replication error, __________ activity, or exposure to environmental hazards.

Accepted Answer

transposab

Question 7

Which event occurs during the elongation stage?

Accepted Answer

A)  Peptide bonds form. 
B)  Free amino acids bind to the mRNA binding site. 
C)  Anticodons bind to complementary codons. 
D)  A STOP codon enters the ribosome. 
E)  Peptide bonds form, and anticodons bind to complementary codons. 
A)  Peptide bonds form. 
B)  Free amino acids bind to the mRNA binding site. 
C)  Anticodons bind to complementary codons. 
D)  A STOP codon enters the ribosome. 
E)  Peptide bonds form, and anticodons bind to complementary codons.

Question 8

The genetic code is made up of units consisting of how many nucleotides?

Accepted Answer

A)  2 
B)  3 
C)  5 
D)  6 
E)  9 
A)  2 
B)  3 
C)  5 
D)  6 
E)  9

Question 9

Classification.You will need a genetic code table to answer the following.The following statements refer to the five RNA codons listed below; match them appropriately.
a.AUG
b.UAA
c.UUU
d.UUA
e.AAA
-This codon codes for an amino acid and indicates the beginning of a coding region.

Accepted Answer

The answer of Classification.You will need a genetic code table...

Question 10

The following questions refer to the genetic code table above.
-The first amino acid of a new polypeptide chain is

Accepted Answer

A)  alanine. 
B)  cysteine. 
C)  variable. 
D)  phenylalanine. 
E)  methionine. 
A)  alanine. 
B)  cysteine. 
C)  variable. 
D)  phenylalanine. 
E)  methionine.

Question 11

MATCHING
Choose the best matching element.
a.deciphered the mRNA code words
b.RNA-directed synthesis of polypeptide chains
c.sites at which RNA polymerases can bind and initiate transcription
d.binds to small subunit platform of a ribosome
e.guided and catalyzed by RNA polymerases
f.polypeptide chain elongation proceeds independently at each body in this cluster
g.discovered transposons
h.a tRNA triplet opposite a codon
i.a set of three nucleotides
-translation

Accepted Answer

The answer of MATCHING
Choose the best matching element.
a.deciphered the mRNA...

Question 12

Which of the following dominates in the process of transcription?

Accepted Answer

A)  RNA polymerase 
B)  DNA polymerase 
C)  helicase 
D)  transfer RNA 
E)  all of these dominate in the process of transcription 
A)  RNA polymerase 
B)  DNA polymerase 
C)  helicase 
D)  transfer RNA 
E)  all of these dominate in the process of transcription

Question 13

MATCHING
Choose the best matching element.
a.deciphered the mRNA code words
b.RNA-directed synthesis of polypeptide chains
c.sites at which RNA polymerases can bind and initiate transcription
d.binds to small subunit platform of a ribosome
e.guided and catalyzed by RNA polymerases
f.polypeptide chain elongation proceeds independently at each body in this cluster
g.discovered transposons
h.a tRNA triplet opposite a codon
i.a set of three nucleotides
-polysome

Accepted Answer

The answer of MATCHING
Choose the best matching element.
a.deciphered the mRNA...

Question 14

Classification.You will need a genetic code table to answer the following.The following statements refer to the five RNA codons listed below; match them appropriately.
a.AUG
b.UAA
c.UUU
d.UUA
e.AAA
-This codon terminates a coding region.

Accepted Answer

The answer of Classification.You will need a genetic code table...

Question 15

MATCHING
Choose the best matching element.
a.deciphered the mRNA code words
b.RNA-directed synthesis of polypeptide chains
c.sites at which RNA polymerases can bind and initiate transcription
d.binds to small subunit platform of a ribosome
e.guided and catalyzed by RNA polymerases
f.polypeptide chain elongation proceeds independently at each body in this cluster
g.discovered transposons
h.a tRNA triplet opposite a codon
i.a set of three nucleotides
-transcription

Accepted Answer

The answer of MATCHING
Choose the best matching element.
a.deciphered the mRNA...

Question 16

Uracil will pair with

Accepted Answer

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

Question 17

There are how many different kinds of amino acids in proteins?

Accepted Answer

A)  3 
B)  6 
C)  12 
D)  20 
E)  28 
A)  3 
B)  6 
C)  12 
D)  20 
E)  28

Question 18

Genetic information carried by a(n) __________ directs the synthesis of a __________ chain during translation.

Accepted Answer

The answer of Genetic information carried by a(n) __________ directs...

Question 19

Classification.You will need a genetic code table to answer the following.The following statements refer to the five RNA codons listed below; match them appropriately.
a.AUG
b.UAA
c.UUU
d.UUA
e.AAA
-A single mutation involving the second letter of codon AUA could convert it to this codon.

Accepted Answer

The answer of Classification.You will need a genetic code table...

Question 20

Of all the different codons that exist, three of them

Accepted Answer

A)  are involved in mutations. 
B)  do not specify a particular amino acid. 
C)  cannot be copied. 
D)  provide instructions such as STOP. 
E)  do not specify a particular amino acid and provide instructions such as STOP. 
A)  are involved in mutations. 
B)  do not specify a particular amino acid. 
C)  cannot be copied. 
D)  provide instructions such as STOP. 
E)  do not specify a particular amino acid and provide instructions such as STOP.

Exam 9: From Dna to Protein

The form of RNA that carries the code from DNA to the site of protein assembly is called

In correct order, the three stages of translation are

Gene expression requires the participation of the following three types of RNA: __________, __________and __________.

A polysome is

Before messenger RNA is mature,

Mutations may arise by replication error, __________ activity, or exposure to environmental hazards.

Which event occurs during the elongation stage?

The genetic code is made up of units consisting of how many nucleotides?

Classification.You will need a genetic code table to answer the following.The following statements refer to the five RNA codons listed below; match them appropriately. a.AUG b.UAA c.UUU d.UUA e.AAA -This codon codes for an amino acid and indicates the beginning of a coding region.

The following questions refer to the genetic code table above. -The first amino acid of a new polypeptide chain is

Which of the following dominates in the process of transcription?

Classification.You will need a genetic code table to answer the following.The following statements refer to the five RNA codons listed below; match them appropriately. a.AUG b.UAA c.UUU d.UUA e.AAA -This codon terminates a coding region.

Uracil will pair with

There are how many different kinds of amino acids in proteins?

Genetic information carried by a(n) __________ directs the synthesis of a __________ chain during translation.

Classification.You will need a genetic code table to answer the following.The following statements refer to the five RNA codons listed below; match them appropriately. a.AUG b.UAA c.UUU d.UUA e.AAA -A single mutation involving the second letter of codon AUA could convert it to this codon.

Of all the different codons that exist, three of them

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Startsphotosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information About Species

Lifes Origin and Early Evolution

Viruses and Prokaryotes

Protiststhe Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolutionthe Invertebrates

Animal Evolutionthe Chordates

Animal Evolutionhuman Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

Gene expression requires the participation of the following three types of RNA: , and __.

Genetic information carried by a(n) directs the synthesis of a chain during translation.