Question 1

A potato stores a reserve of energy in its underground tuber in the form of

Accepted Answer

A)   glycogen.
B)   fat.
C)   protein.
D)   vitamins.
E)   starch.F) A) and E)
G) B) and E)

Question 2

A solution with a pH of 7 has 10 times as many H+ as a pH of 6.

Accepted Answer

A) True 
 B)False

Question 3

In an acidic solution,the number of H+ is

Accepted Answer

A)   less than the number of OH-.
B)   greater than the number of OH-.
C)   equal to the number of OH-.
D)   3 times less than the number of OH-.
E)   10 times less than the number of OH-.F) A) and D)
G) C) and D)

Question 4

William noticed water mysteriously climbing up a capillary tube.This is an example of which property of water?

Accepted Answer

A)   Frozen water is less dense than liquid water.
B)   The temperature of liquid water rises and falls slowly.
C)   Water molecules are cohesive.
D)   Water has a high heat of vaporization.
E)   Water is a solvent.F) A) and C)
G) D) and E)

Question 5

Why is He positioned above Ne in the periodic table?

Accepted Answer

A)   They both have the same atomic mass.
B)   They both have the same number of electrons in their outermost orbital.
C)   They both have a full outermost orbital.
D)   They both have the same atomic number.
E)   They both have the same number of protons in their nuclei.F) C) and D)
G) A) and B)

Question 6

Which of the following is not a function of proteins?

Accepted Answer

A)   quick energy
B)   support
C)   transport
D)   enzymes
E)   motionF) B) and C)
G) A) and B)

Question 7

The monomer unit of a protein is

Accepted Answer

A)   fatty acids.
B)   amino acids.
C)   monosaccharides.
D)   polysaccharides.
E)   nucleic acids.F) A) and B)
G) B) and E)

Question 8

A hydrolysis reaction involves the loss of water.

Accepted Answer

A) True 
 B)False

Question 9

An element cannot be broken down by chemical means.

Accepted Answer

A) True 
 B)False

Question 10

A species has 29% of its DNA composed of the nucleotide containing guanine (G) .What percent does the nitrogen base thymine (T) equal?

Accepted Answer

A)   58%
B)   42%
C)   21%
D)   67%
E)   29%F) B) and D)
G) B) and C)

Question 11

Which level of protein structure is characterized by alpha and beta sheets in which hydrogen bonding holds the shape in place?

Accepted Answer

A)   secondary structure
B)   primary structure
C)   tertiary structure
D)   quaternary structure
E)   pentagonal structureF) D) and E)
G) A) and B)

Question 12

All amino acids are alike in that their R groups are polar.

Accepted Answer

A) True 
 B)False

Exam 2: Chemistry of Life

Which level of protein structure is characterized by alpha and beta sheets in which hydrogen bonding holds the shape in place?

Correct Answer
verified

In an acidic solution,the number of H⁺ is

Correct Answer
verified

The monomer unit of a protein is

Correct Answer
verified

A potato stores a reserve of energy in its underground tuber in the form of

Correct Answer
verified

An element cannot be broken down by chemical means.

Correct Answer
verified

A species has 29% of its DNA composed of the nucleotide containing guanine (G) .What percent does the nitrogen base thymine (T) equal?

Correct Answer
verified

Why is He positioned above Ne in the periodic table?

Correct Answer
verified

A solution with a pH of 7 has 10 times as many H⁺ as a pH of 6.

Correct Answer
verified

Which of the following is not a function of proteins?

Correct Answer
verified

William noticed water mysteriously climbing up a capillary tube.This is an example of which property of water?

Correct Answer
verified

All amino acids are alike in that their R groups are polar.

Correct Answer
verified

A hydrolysis reaction involves the loss of water.

Correct Answer
verified

Exam 2: Chemistry of Life

Which level of protein structure is characterized by alpha and beta sheets in which hydrogen bonding holds the shape in place?

Correct AnswerverifiedShow Answer

In an acidic solution,the number of H+ is

Correct AnswerverifiedShow Answer

The monomer unit of a protein is

Correct AnswerverifiedShow Answer

A potato stores a reserve of energy in its underground tuber in the form of

Correct AnswerverifiedShow Answer

An element cannot be broken down by chemical means.

Correct AnswerverifiedShow Answer

A species has 29% of its DNA composed of the nucleotide containing guanine (G) .What percent does the nitrogen base thymine (T) equal?

Correct AnswerverifiedShow Answer

Why is He positioned above Ne in the periodic table?

Correct AnswerverifiedShow Answer

A solution with a pH of 7 has 10 times as many H+ as a pH of 6.

Correct AnswerverifiedShow Answer

Which of the following is not a function of proteins?

Correct AnswerverifiedShow Answer

William noticed water mysteriously climbing up a capillary tube.This is an example of which property of water?

Correct AnswerverifiedShow Answer

All amino acids are alike in that their R groups are polar.

Correct AnswerverifiedShow Answer

A hydrolysis reaction involves the loss of water.

Correct AnswerverifiedShow Answer

Correct Answer
verified

In an acidic solution,the number of H⁺ is

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

A solution with a pH of 7 has 10 times as many H⁺ as a pH of 6.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified