Question 1

This type of lipid is the body's primary long-term energy storage molecule.

Accepted Answer

A) steroid 
B) phospholipid 
C) cholesterol 
D) triglyceride 
E) lipoprotein 
A) steroid 
B) phospholipid 
C) cholesterol 
D) triglyceride 
E) lipoprotein

Question 2

Specific arrangements of atoms within an organic molecule that confer characteristic chemical properties upon that molecule are called

Accepted Answer

A) hydrocarbon chains. 
B) polymers. 
C) carbon skeleton. 
D) functional groups. 
E) isomers. 
A) hydrocarbon chains. 
B) polymers. 
C) carbon skeleton. 
D) functional groups. 
E) isomers.

Question 3

This type of protein protects against pathogens.

Accepted Answer

A) contractile 
B) immunological 
C) regulatory 
D) catalytic 
E) transport 
A) contractile 
B) immunological 
C) regulatory 
D) catalytic 
E) transport

Question 4

Define mixture and then distinguish between the three types of mixtures called solutions,colloids and suspensions.

Accepted Answer

A mixture is a combination of elements o

Question 5

Describe what happens to a protein's structure and function when it is denatured.

Accepted Answer

During denaturation,the folded

Question 6

Which term is defined as the capacity to do work?

Accepted Answer

A) metabolism 
B) electrolytes 
C) chemical reaction 
D) concentration 
E) energy 
A) metabolism 
B) electrolytes 
C) chemical reaction 
D) concentration 
E) energy

Question 7

Which of the following is NOT a property of enzymes?

Accepted Answer

A) Enzymes are catalytic proteins. 
B) Enzymes are highly specific. 
C) Enzymes are efficient. 
D) Enzymes are subject to a variety of cellular controls. 
E) Enzymes are irreversibly changed by the reactions that they catalyze. 
A) Enzymes are catalytic proteins. 
B) Enzymes are highly specific. 
C) Enzymes are efficient. 
D) Enzymes are subject to a variety of cellular controls. 
E) Enzymes are irreversibly changed by the reactions that they catalyze.

Question 8

The three types of subatomic particles that are important for understanding chemical reactions in the human body are

Accepted Answer

A) neutrons,quarks,and muons. 
B) protons,neutrons,and electrons. 
C) muons,positons,and neutrons. 
D) electrons,quarks,and protons. 
E) positons,protons,and neutrons. 
A) neutrons,quarks,and muons. 
B) protons,neutrons,and electrons. 
C) muons,positons,and neutrons. 
D) electrons,quarks,and protons. 
E) positons,protons,and neutrons.

Question 9

In the diagram,what would happen to the concentration of C if the concentration of A increases?

Accepted Answer

A) increases 
B) decreases 
C) no change 
A) increases 
B) decreases 
C) no change

Question 10

Which of the following is a polysaccharide that serves as a storage form of energy in muscle and liver cells?

Accepted Answer

A) cellulose 
B) ribose 
C) lipids 
D) glucose 
E) glycogen 
A) cellulose 
B) ribose 
C) lipids 
D) glucose 
E) glycogen

Question 11

In the body fluid compartments found in the human body,the solvent is

Accepted Answer

A) glucose. 
B) lipids. 
C) carbon dioxide. 
D) water. 
E) electrolyte. 
A) glucose. 
B) lipids. 
C) carbon dioxide. 
D) water. 
E) electrolyte.

Question 12

Which of the following carbohydrates is a disaccharide?

Accepted Answer

A) ribose 
B) lactose 
C) galactose 
D) glycogen 
E) cellulose 
A) ribose 
B) lactose 
C) galactose 
D) glycogen 
E) cellulose

Question 13

What is the difference between atomic mass,mass number and atomic number?

Accepted Answer

Atomic number is the number of protons f

Question 14

This lipid is used by the body as a precursor for the production of steroid hormones.

Accepted Answer

A) arachidonic acid 
B) phospholipid 
C) cholesterol 
D) triglyceride 
E) lipoprotein 
A) arachidonic acid 
B) phospholipid 
C) cholesterol 
D) triglyceride 
E) lipoprotein

Question 15

A chemical reaction involves interactions between the _____ of two different atoms.

Accepted Answer

A) neutrons 
B) protons 
C) isotopes 
D) valence electrons 
E) ions 
A) neutrons 
B) protons 
C) isotopes 
D) valence electrons 
E) ions

Question 16

What is the name given to a negatively charged atom?

Accepted Answer

A) superoxide 
B) isotope 
C) catalyst 
D) anion 
E) cation 
A) superoxide 
B) isotope 
C) catalyst 
D) anion 
E) cation

Question 17

In the diagram,removal of one or more of this type of subatomic particle would result in the formation of a cation?

Accepted Answer

A) A 
B) B 
C) C 
D) All of these choices. 
E) None of these choices. 
A) A 
B) B 
C) C 
D) All of these choices. 
E) None of these choices.

Question 18

Which of the following is the major function of DNA?

Accepted Answer

A) catalyzes metabolic reactions 
B) storage of energy 
C) transfer information for protein synthesis 
D) long-term storage of information for protein synthesis 
E) transport of electrolytes 
A) catalyzes metabolic reactions 
B) storage of energy 
C) transfer information for protein synthesis 
D) long-term storage of information for protein synthesis 
E) transport of electrolytes

Question 19

Which of the following is a proton donor?

Accepted Answer

A) acid 
B) base 
C) salt 
D) organic compound 
E) colloid 
A) acid 
B) base 
C) salt 
D) organic compound 
E) colloid

Question 20

Briefly describe the octet rule.

Accepted Answer

One atom is more likely to com

Exam 2: The Chemical Level of Organization

This type of lipid is the body's primary long-term energy storage molecule.

Specific arrangements of atoms within an organic molecule that confer characteristic chemical properties upon that molecule are called

This type of protein protects against pathogens.

Define mixture and then distinguish between the three types of mixtures called solutions,colloids and suspensions.

Describe what happens to a protein's structure and function when it is denatured.

Which term is defined as the capacity to do work?

Which of the following is NOT a property of enzymes?

The three types of subatomic particles that are important for understanding chemical reactions in the human body are

In the diagram,what would happen to the concentration of C if the concentration of A increases?

Which of the following is a polysaccharide that serves as a storage form of energy in muscle and liver cells?

In the body fluid compartments found in the human body,the solvent is

Which of the following carbohydrates is a disaccharide?

What is the difference between atomic mass,mass number and atomic number?

This lipid is used by the body as a precursor for the production of steroid hormones.

A chemical reaction involves interactions between the _____ of two different atoms.

What is the name given to a negatively charged atom?

In the diagram,removal of one or more of this type of subatomic particle would result in the formation of a cation?

Which of the following is the major function of DNA?

Which of the following is a proton donor?

Briefly describe the octet rule.

An Introduction to the Human Body

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System Unit Ii: Principles of Support and Movement

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System Unit Iii: Control Systems of the Human Body

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System Unit Iv: Maintenance of the Human Body

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Respiratory System

The Digestive System

Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Homeostasis Unit V: Continuity

The Reproductive Systems

Development and Inheritance

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