Question 1

The group of amino acids that can be supplied by an organism under a defined condition are the ______ amino acids.

Accepted Answer

The answer of The group of amino acids that can...

Question 2

The amino acid with an indol ring is __________.

Accepted Answer

The answer of The amino acid with an indol ring...

Question 3

What charged group(s) is/are present in glycine at a pH of 7?

Accepted Answer

A)  -NH3+ 
B)  -COO- 
C)  -NH2+ 
D)  A and B 
E)  A, B, and C 
A)  -NH3+ 
B)  -COO- 
C)  -NH2+ 
D)  A and B 
E)  A, B, and C

Question 4

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: An amino acid that must be supplied by the diet.

Accepted Answer

A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids 
A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids

Question 5

What are the four ways amino acids can be classified?

Accepted Answer

Hydrophobic, polar,

Question 6

Which ionizable group has the lowest affinity for protons: the terminal ɑ-carboxyl group, the aspartic acid side group, or the terminal ɑ-amino group?

Accepted Answer

The termin

Question 7

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: Disulfide bonds are formed by pairs of this amino acid.

Accepted Answer

A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids 
A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids

Question 8

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The amino acid with the abbreviation Ser.

Accepted Answer

A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids 
A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids

Question 9

What functions make histadine an important amino acid?

Accepted Answer

The pKa of the imidazole ring is near ph

Question 10

What is the advantage of protein interaction and assembly with other proteins?

Accepted Answer

When proteins interact or asse

Question 11

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The amino acid with a sulfhydryl side chain.

Accepted Answer

A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids 
A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids

Question 12

Which of the following amino acids would most likely be soluble in a nonpolar solvent such as benzene?

Accepted Answer

A)  valine 
B)  histidine 
C)  glutamine 
D)  glycine 
E)  All of the above. 
A)  valine 
B)  histidine 
C)  glutamine 
D)  glycine 
E)  All of the above.

Question 13

Draw the general structure of an amino acid at pH 7.0 with the side group shown as an "R."

Accepted Answer

The figure should lo

Question 14

A gene is mutated such that the amino acids glycine and glutamate are now alanine and leucine, respectively.What are the potential results of each of these mutations? Assume that the mutations are not near each other in the primary sequence and have no impact on the other.

Accepted Answer

The glycine-to-alanine mutations are sim

Question 15

__________ are amino acids with neutral R groups containing an electronegative atom that hoards electrons.

Accepted Answer

The answer of __________ are amino acids with neutral R...

Question 16

Which are the branched amino acids and what impact do they have on protein shape?

Accepted Answer

These are the aliphatic, hydrophobic ami

Question 17

Name three amino acids that are positively charged at a neutral pH.

Accepted Answer

A)  lysine and arginine 
B)  histidine and arginine 
C)  cysteine and arginine 
D)  lysine and proline 
E)  glutamine and histidine 
A)  lysine and arginine 
B)  histidine and arginine 
C)  cysteine and arginine 
D)  lysine and proline 
E)  glutamine and histidine

Question 18

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The amino acid with a pKa near neutral pH.

Accepted Answer

A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids 
A) L amino acids 
B) water 
C) protons 
D) zwitterions 
E) leucine
F)serine
G)tyrosine
H)cysteine
I)glutamate
J)histidine
K)proline
L)asparagine
M)D amino acids

Question 19

The amino acid with the smallest-size side chain allowing greatest flexibility in a protein is __________.

Accepted Answer

The answer of The amino acid with the smallest-size side...

Question 20

Which amino acid side chains are capable of ionization?

Accepted Answer

The amino acids are

Exam 3: Amino Acids

The group of amino acids that can be supplied by an organism under a defined condition are the ______ amino acids.

The amino acid with an indol ring is __________.

What charged group(s) is/are present in glycine at a pH of 7?

Choose the correct answer from the list below. Not all of the answers will be used. -____________: An amino acid that must be supplied by the diet.

What are the four ways amino acids can be classified?

Which ionizable group has the lowest affinity for protons: the terminal ɑ-carboxyl group, the aspartic acid side group, or the terminal ɑ-amino group?

Choose the correct answer from the list below. Not all of the answers will be used. -____________: Disulfide bonds are formed by pairs of this amino acid.

Choose the correct answer from the list below. Not all of the answers will be used. -____________: The amino acid with the abbreviation Ser.

What functions make histadine an important amino acid?

What is the advantage of protein interaction and assembly with other proteins?

Choose the correct answer from the list below. Not all of the answers will be used. -____________: The amino acid with a sulfhydryl side chain.

Which of the following amino acids would most likely be soluble in a nonpolar solvent such as benzene?

Draw the general structure of an amino acid at pH 7.0 with the side group shown as an "R."

A gene is mutated such that the amino acids glycine and glutamate are now alanine and leucine, respectively.What are the potential results of each of these mutations? Assume that the mutations are not near each other in the primary sequence and have no impact on the other.

__________ are amino acids with neutral R groups containing an electronegative atom that hoards electrons.

Which are the branched amino acids and what impact do they have on protein shape?

Name three amino acids that are positively charged at a neutral pH.

Choose the correct answer from the list below. Not all of the answers will be used. -____________: The amino acid with a pKa near neutral pH.

The amino acid with the smallest-size side chain allowing greatest flexibility in a protein is __________.

Which amino acid side chains are capable of ionization?

Biochemistry and the Unity of Life

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

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

The Structure of Informational Macromolecules: Dna and Rna

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

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