Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Question 3

Which of the following is not a function of proteins?

Accepted Answer

A)  quick energy 
B)  support 
C)  transport 
D)  enzymes 
E)  motion 
A)  quick energy 
B)  support 
C)  transport 
D)  enzymes 
E)  motion

Question 4

The monomer unit of a protein is

Accepted Answer

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

Question 5

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. 
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.

Question 6

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

Question 7

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. 
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.

Question 8

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

Question 9

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 10

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-. 
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-.

Question 11

A hydrolysis reaction involves the loss of water.

Accepted Answer

A) True 
 B)False

Question 12

An element cannot be broken down by chemical means.

Accepted Answer

A) True 
 B)False

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

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

Which of the following is not a function of proteins?

The monomer unit of a protein is

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

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

Why is He positioned above Ne in the periodic table?

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

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

In an acidic solution,the number of H⁺ is

A hydrolysis reaction involves the loss of water.

An element cannot be broken down by chemical means.

Exploring Life and Science

Cell Structure and Function

Organization and Regulation of Body Systems

Cardiovascular System: Heart and Blood Vessels

Cardiovascular System: Blood

The Lymphatic and Immune Systems

Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Biology and Technology

Human Evolution

Ecology and the Nature of Ecosystems

Human Interactions With the Biosphere

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Exam 2: Chemistry of Life

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

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

Which of the following is not a function of proteins?

The monomer unit of a protein is

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

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

Why is He positioned above Ne in the periodic table?

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

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

In an acidic solution,the number of H+ is

A hydrolysis reaction involves the loss of water.

An element cannot be broken down by chemical means.

Exploring Life and Science

Cell Structure and Function

Organization and Regulation of Body Systems

Cardiovascular System: Heart and Blood Vessels

Cardiovascular System: Blood

The Lymphatic and Immune Systems

Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Biology and Technology

Human Evolution

Ecology and the Nature of Ecosystems

Human Interactions With the Biosphere

Filters

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

In an acidic solution,the number of H⁺ is