Question 1

The feature(s) of DNA deduced by Watson and Crick include:

Accepted Answer

A)  two antiparallel polynucleotide chains coiled in a helix around a common axis. 
B)  that the pyrimidine and purine bases lie on the inside of the helix. 
C)  that the bases are nearly perpendicular to the axis. 
D)  All of the above. 
E)  None of the above. 
A)  two antiparallel polynucleotide chains coiled in a helix around a common axis. 
B)  that the pyrimidine and purine bases lie on the inside of the helix. 
C)  that the bases are nearly perpendicular to the axis. 
D)  All of the above. 
E)  None of the above.

Question 2

What is the approximate error rate in DNA replication?

Accepted Answer

A)  1 x10−8 
B)  1 x 10−6 
C)  1 x 10−15 
D)  1 x 10−10 
E)  None of the above. 
A)  1 x10−8 
B)  1 x 10−6 
C)  1 x 10−15 
D)  1 x 10−10 
E)  None of the above.

Question 3

After two generations of replication in the Meselson and Stahl experiment, what was the composition of the two bands?

Accepted Answer

A)  One band was all 14N and one band was all 15N. 
B)  One band was all 14N and one band was half 14N and half 15N. 
C)  One band was all 15N and one band was half 14N and half 15N. 
D)  One band was all 14N and one band was one quarter 14N and three quarters 15N. 
E)  One band was all 15N and one band was one quarter 14N and three quarters 15N. 
A)  One band was all 14N and one band was all 15N. 
B)  One band was all 14N and one band was half 14N and half 15N. 
C)  One band was all 15N and one band was half 14N and half 15N. 
D)  One band was all 14N and one band was one quarter 14N and three quarters 15N. 
E)  One band was all 15N and one band was one quarter 14N and three quarters 15N.

Question 4

Choose the correct answer from the list below. Not all of the answers will be used.
-_______________ is the simple motif of RNA structure.

Accepted Answer

A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5` 
A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5`

Question 5

Choose the correct answer from the list below. Not all of the answers will be used.
-_______________: A transient copy of genetic information.

Accepted Answer

A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5` 
A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5`

Question 6

The distribution of parental atoms in newly synthesized DNA is called __________________ replication.

Accepted Answer

The answer of The distribution of parental atoms in newly...

Question 7

There are approximately __________________ bases per turn of a B-DNA double helix.

Accepted Answer

The answer of There are approximately __________________ bases per turn...

Question 8

The nature of replication was determined using DNA labeled with nitrogen isotopes and _____________________.

Accepted Answer

density-gr

Question 9

Choose the correct answer from the list below. Not all of the answers will be used.
-DNA can exist in both linear and _______________ forms.

Accepted Answer

A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5` 
A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5`

Question 10

The temperature at which half of the DNA helical structure is lost is called the:

Accepted Answer

A)  denaturation temperature. 
B)  Tm. 
C)  annealing temperature. 
D)  dehybridization temperaure. 
E)  Replication temperature. 
A)  denaturation temperature. 
B)  Tm. 
C)  annealing temperature. 
D)  dehybridization temperaure. 
E)  Replication temperature.

Question 11

Choose the correct answer from the list below. Not all of the answers will be used.
-The ____________ form is more accessible for interactions with proteins.

Accepted Answer

A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5` 
A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5`

Question 12

RNA:

Accepted Answer

A)  is oxygenated on the 2` of ribose. 
B)  can form non-Watson-Crick base pairings. 
C)  uses metals to stabilize folding. 
D)  may form triplet base pairings. 
E)  All of the above. 
A)  is oxygenated on the 2` of ribose. 
B)  can form non-Watson-Crick base pairings. 
C)  uses metals to stabilize folding. 
D)  may form triplet base pairings. 
E)  All of the above.

Question 13

__________________ is a left-handed double helix.

Accepted Answer

The answer of __________________ is a left-handed double helix....

Question 14

Choose the correct answer from the list below. Not all of the answers will be used.
-H2A, H2B, H3, and H4 are all major classes of _______________.

Accepted Answer

A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5` 
A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5`

Question 15

Describe the structure of chromatin.

Accepted Answer

Chromatin is the packaged form of eukary

Question 16

What advantage do phosphodiesters have compared to other esters?

Accepted Answer

The phosphodiester negative ch

Question 17

Describe, in simple terms, the hallmarks of DNA structure.

Accepted Answer

DNA consists of two chains of polynucleo

Question 18

Choose the correct answer from the list below. Not all of the answers will be used.
-The scientist who provided data for Watson and Crick's model of DNA is _______________.

Accepted Answer

A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5` 
A) supercoiling 
B) DNA 
C) 5` → 3` 
D) circular 
E) stem loop
F)B-DNA
G)retroviruses
H)exon
I)Erwin Chargaff
J)histones
K)RNA
L)Rosalind Franklin
M)A-DNA
N)3` → 5`

Question 19

The nucleoside that is composed of a D-ribose linked to a cytosine base is called __________________.

Accepted Answer

The answer of The nucleoside that is composed of a...

Question 20

5` dAMP refers to __________________.

Accepted Answer

deoxyadeno

Exam 33: The Structure of Informational Macromolecules: Dna and Rna

The feature(s) of DNA deduced by Watson and Crick include:

What is the approximate error rate in DNA replication?

After two generations of replication in the Meselson and Stahl experiment, what was the composition of the two bands?

Choose the correct answer from the list below. Not all of the answers will be used. -_______________ is the simple motif of RNA structure.

Choose the correct answer from the list below. Not all of the answers will be used. -_______________: A transient copy of genetic information.

The distribution of parental atoms in newly synthesized DNA is called __________________ replication.

There are approximately __________________ bases per turn of a B-DNA double helix.

The nature of replication was determined using DNA labeled with nitrogen isotopes and _____________________.

Choose the correct answer from the list below. Not all of the answers will be used. -DNA can exist in both linear and _______________ forms.

The temperature at which half of the DNA helical structure is lost is called the:

Choose the correct answer from the list below. Not all of the answers will be used. -The ____________ form is more accessible for interactions with proteins.

RNA:

__________________ is a left-handed double helix.

Choose the correct answer from the list below. Not all of the answers will be used. -H2A, H2B, H3, and H4 are all major classes of _______________.

Describe the structure of chromatin.

What advantage do phosphodiesters have compared to other esters?

Describe, in simple terms, the hallmarks of DNA structure.

Choose the correct answer from the list below. Not all of the answers will be used. -The scientist who provided data for Watson and Crick's model of DNA is _______________.

The nucleoside that is composed of a D-ribose linked to a cytosine base is called __________________.

5` dAMP refers to __________________.

Biochemistry and the Unity of Life

Water, Weak Bonds, and the Generation of Order Out of Chaos

Amino Acids

Protein Three-Dimensional Structure

Techniques in Protein Biochemistry

Basic Concepts of Enzyme Action

Kinetics and Regulation

Mechanisms and Inhibitors

Hemoglobin: an Allosteric Protein

Carbohydrates

Lipids

Membrane Structure and Function

Signal Transduction Pathways

Digestion: Turning a Meal Into Cellular Biochemicals

Metabolism: Basic Concepts and Design

Glycolysis

Gluconeogenesis

Preparation for the Cycle

Harvesting Electrons From the Cycle

The Electron Transport Chain

The Proton-Motive Force

The Light Reactions

The Calvin Cycle

Glycogen Degradation

Glycogen Synthesis

The Pentose Phosphate Pathway

Fatty Acid Degredation

Fatty Acid Synthesis

Lipid Synthesis

Amino Acid Degradation and the Urea Cycle

Amino Acids Synthesis

Nucleotide Metabolism

DNA Replication

DNA Repair and Recombination

RNA Synthesis and Regulation in Prokaryotes

Gene Expression in Eukaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant DNA Techniques

Filters