Question 1

A collection of cells or molecules identical to an original cell or molecule is best described as a

Accepted Answer

A) base pair. 
B) plasmid. 
C) virus. 
D) clone. 
A) base pair. 
B) plasmid. 
C) virus. 
D) clone.

Question 2

The secondary structure of a protein is the

Accepted Answer

A) overall shape or conformation of the molecule. 
B) intermediate level of molecular organization. 
C) identity and sequence of amino acids present. 
D) association of one protein chain with another. 
A) overall shape or conformation of the molecule. 
B) intermediate level of molecular organization. 
C) identity and sequence of amino acids present. 
D) association of one protein chain with another.

Question 3

Which process provides chromosomes for new cells during growth or repair?

Accepted Answer

A) transcription 
B) translation 
C) replication 
D) denaturation 
A) transcription 
B) translation 
C) replication 
D) denaturation

Question 4

Identify the base sequence that is complementary to the following DNA sequence:
TACGGCTTAAG

Accepted Answer

A) TAGCCTTAAC 
B) ATGGGGAATTC 
C) TTCDDGTTTTC 
D) ATGCCGAATTC 
A) TAGCCTTAAC 
B) ATGGGGAATTC 
C) TTCDDGTTTTC 
D) ATGCCGAATTC

Question 5

A cell receives a message to make a new gene product.Which processes must happen?
I.transcription
II.replication
III.translation
IV.growth

Accepted Answer

A) I and II 
B) I and III 
C) I,II,and III 
D) I,II,III,and IV 
A) I and II 
B) I and III 
C) I,II,and III 
D) I,II,III,and IV

Question 6

Which is(are)the benefit(s)of developing fruit that ripens more slowly?
I.increased profits for producers
II.enhanced nutrition for the consumer
III.less environmental impact

Accepted Answer

A) I only 
B) I and II only 
C) II and III only 
D) III only 
A) I only 
B) I and II only 
C) II and III only 
D) III only

Question 7

The backbone structure of DNA is

Accepted Answer

A) sugar-base-sugar-base. 
B) base-phosphate-base-phosphate. 
C) base-base-base-base. 
D) sugar-phosphate-sugar-phosphate. 
A) sugar-base-sugar-base. 
B) base-phosphate-base-phosphate. 
C) base-base-base-base. 
D) sugar-phosphate-sugar-phosphate.

Question 8

The task of the Human Genome Project was to

Accepted Answer

A) map all of the genes in the human organism. 
B) determine only the expressed protein sequences in the human organism. 
C) determine only the expressed RNA sequences in the human organism. 
D) determine the expressed DNA sequences in the human organism. 
A) map all of the genes in the human organism. 
B) determine only the expressed protein sequences in the human organism. 
C) determine only the expressed RNA sequences in the human organism. 
D) determine the expressed DNA sequences in the human organism.

Question 9

The level of protein structure that involves hydrogen bonding between the atoms of the polypeptide backbone is

Accepted Answer

A) primary. 
B) secondary. 
C) tertiary. 
D) double helix. 
A) primary. 
B) secondary. 
C) tertiary. 
D) double helix.

Question 10

The molecule(s)being acted upon by catalysts is(are)

Accepted Answer

A) active sites. 
B) substrates. 
C) RNA. 
D) DNA. 
A) active sites. 
B) substrates. 
C) RNA. 
D) DNA.

Question 11

A transgenic organism is
I.an animal that shares the genes of another species.
II.a plant that shares the genes of another species.
III.easier to create than traditional crossbreeding.
IV.harder to create than traditional crossbreeding.

Accepted Answer

A) I only 
B) II only 
C) I,II,and III only 
D) I,II,and IV only 
A) I only 
B) II only 
C) I,II,and III only 
D) I,II,and IV only

Question 12

The identity and sequence of the amino acids present in a protein is its

Accepted Answer

A) primary structure. 
B) secondary structure. 
C) tertiary structure. 
D) quaternary structure. 
A) primary structure. 
B) secondary structure. 
C) tertiary structure. 
D) quaternary structure.

Question 13

A protein is a linear polymer composed of

Accepted Answer

A) sugar-amino acid-sugar-amino acid. 
B) base-sugar-base-sugar. 
C) amino acid-amino acid. 
D) lipid-base-lipid-base. 
A) sugar-amino acid-sugar-amino acid. 
B) base-sugar-base-sugar. 
C) amino acid-amino acid. 
D) lipid-base-lipid-base.

Question 14

The distance between base pairs in DNA is 0.34 nm.How many base pairs are there in a chromosome that is 12.0 cm long? (Note: 109 nm = 1 m)

Accepted Answer

A) 2.8 × 107 
B) 3.5 × 1010 
C) 3.5 × 108 
D) 3.5 × 109 
A) 2.8 × 107 
B) 3.5 × 1010 
C) 3.5 × 108 
D) 3.5 × 109

Question 15

The primary structure of a protein is the

Accepted Answer

A) overall shape or conformation of the molecule. 
B) intermediate level of molecular organization. 
C) identity and sequence of amino acids present. 
D) association of one protein chain with another. 
A) overall shape or conformation of the molecule. 
B) intermediate level of molecular organization. 
C) identity and sequence of amino acids present. 
D) association of one protein chain with another.

Question 16

A nucleotide consists of which of the following?
I.bases
II.complimentary base pairs
III.deoxyribose molecule
IV.phosphates

Accepted Answer

A) I and III 
B) II,III,and IV 
C) I,III,and IV 
D) II and IV 
A) I and III 
B) II,III,and IV 
C) I,III,and IV 
D) II and IV

Question 17

Protein enzymes act as

Accepted Answer

A) active sites. 
B) catalysts. 
C) substrates. 
D) cells. 
A) active sites. 
B) catalysts. 
C) substrates. 
D) cells.

Question 18

The year 2003 marked the 50th anniversary of the discovery of the

Accepted Answer

A) structure of DNA. 
B) structure of RNA. 
C) protein structure of insulin. 
D) DNA sequence for the human gene that encodes insulin. 
A) structure of DNA. 
B) structure of RNA. 
C) protein structure of insulin. 
D) DNA sequence for the human gene that encodes insulin.

Question 19

Small changes in _________,called mutations,may lead to big changes in _________ protein structures.

Accepted Answer

A) RNA;tertiary 
B) DNA;secondary 
C) DNA;tertiary 
D) RNA;secondary 
A) RNA;tertiary 
B) DNA;secondary 
C) DNA;tertiary 
D) RNA;secondary

A collection of cells or molecules identical to an original cell or molecule is best described as a

The secondary structure of a protein is the

Which process provides chromosomes for new cells during growth or repair?

Identify the base sequence that is complementary to the following DNA sequence: TACGGCTTAAG

A cell receives a message to make a new gene product.Which processes must happen? I.transcription II.replication III.translation IV.growth

Which is(are)the benefit(s)of developing fruit that ripens more slowly? I.increased profits for producers II.enhanced nutrition for the consumer III.less environmental impact

The backbone structure of DNA is

The task of the Human Genome Project was to

The level of protein structure that involves hydrogen bonding between the atoms of the polypeptide backbone is

The molecule(s)being acted upon by catalysts is(are)

A transgenic organism is I.an animal that shares the genes of another species. II.a plant that shares the genes of another species. III.easier to create than traditional crossbreeding. IV.harder to create than traditional crossbreeding.

The identity and sequence of the amino acids present in a protein is its

A protein is a linear polymer composed of

The distance between base pairs in DNA is 0.34 nm.How many base pairs are there in a chromosome that is 12.0 cm long? (Note: 10⁹ nm = 1 m)

The primary structure of a protein is the

A nucleotide consists of which of the following? I.bases II.complimentary base pairs III.deoxyribose molecule IV.phosphates

Protein enzymes act as

The year 2003 marked the 50th anniversary of the discovery of the

Small changes in _,called mutations,may lead to big changes in _ protein structures.

The Air We Breathe

Protecting the Ozone Layer

The Chemistry of Global Climate Change

Energy From Combustion

Water for Life

Neutralizing the Threat of Acid Rain

The Fires of Nuclear Fission

Energy From Electron Transfer

The World of Polymers and Plastics

Manipulating Molecules and Designing Drugs

Nutrition: Food for Thought

Filters

Exam 12: Genetic Engineering and the Molecules of Life

A collection of cells or molecules identical to an original cell or molecule is best described as a

The secondary structure of a protein is the

Which process provides chromosomes for new cells during growth or repair?

Identify the base sequence that is complementary to the following DNA sequence: TACGGCTTAAG

A cell receives a message to make a new gene product.Which processes must happen? I.transcription II.replication III.translation IV.growth

Which is(are)the benefit(s)of developing fruit that ripens more slowly? I.increased profits for producers II.enhanced nutrition for the consumer III.less environmental impact

The backbone structure of DNA is

The task of the Human Genome Project was to

The level of protein structure that involves hydrogen bonding between the atoms of the polypeptide backbone is

The molecule(s)being acted upon by catalysts is(are)

A transgenic organism is I.an animal that shares the genes of another species. II.a plant that shares the genes of another species. III.easier to create than traditional crossbreeding. IV.harder to create than traditional crossbreeding.

The identity and sequence of the amino acids present in a protein is its

A protein is a linear polymer composed of

The distance between base pairs in DNA is 0.34 nm.How many base pairs are there in a chromosome that is 12.0 cm long? (Note: 109 nm = 1 m)

The primary structure of a protein is the

A nucleotide consists of which of the following? I.bases II.complimentary base pairs III.deoxyribose molecule IV.phosphates

Protein enzymes act as

The year 2003 marked the 50th anniversary of the discovery of the

Small changes in _________,called mutations,may lead to big changes in _________ protein structures.

The Air We Breathe

Protecting the Ozone Layer

The Chemistry of Global Climate Change

Energy From Combustion

Water for Life

Neutralizing the Threat of Acid Rain

The Fires of Nuclear Fission

Energy From Electron Transfer

The World of Polymers and Plastics

Manipulating Molecules and Designing Drugs

Nutrition: Food for Thought

Filters

The distance between base pairs in DNA is 0.34 nm.How many base pairs are there in a chromosome that is 12.0 cm long? (Note: 10⁹ nm = 1 m)

Small changes in _,called mutations,may lead to big changes in _ protein structures.