Question 1

Ions are

Accepted Answer

A) Electrically neutral 
B) Electrically charged 
C) Formed by the gain or loss of protons from the nucleus 
D) Electrically charged and formed by the gain or loss of protons from the nucleus 
E) None of the choices are correct 
A) Electrically neutral 
B) Electrically charged 
C) Formed by the gain or loss of protons from the nucleus 
D) Electrically charged and formed by the gain or loss of protons from the nucleus 
E) None of the choices are correct B

Question 2

H+ represents the ________ ________.

Accepted Answer

hydrogen ion

Question 3

Carbohydrates are stored in the liver and muscles in the form of

Accepted Answer

A) Cellulose 
B) Starch 
C) Triacylglycerol 
D) Glycogen 
E) All of the choices are correct 
A) Cellulose 
B) Starch 
C) Triacylglycerol 
D) Glycogen 
E) All of the choices are correct D

Question 4

Proteins are

Accepted Answer

A) Critically important for physiological processes 
B) Composed of fatty acids 
C) Composed of nucleic acids 
D) Macromolecules with subunits linked by polypeptide bonds 
E) Critically important for physiological processes and macromolecules with subunits linked by polypeptide bonds 
A) Critically important for physiological processes 
B) Composed of fatty acids 
C) Composed of nucleic acids 
D) Macromolecules with subunits linked by polypeptide bonds 
E) Critically important for physiological processes and macromolecules with subunits linked by polypeptide bonds

Question 5

The number of covalent bonds that can be formed by a given atom depends upon the number of electrons present in the outermost orbit.

Accepted Answer

A) True 
 B)False

Question 6

In an atom,the number of

Accepted Answer

A) Protons always equals the number of neutrons 
B) Of protons always equals the number of electrons 
C) Of neutrons always equals the number of electrons 
D) Both protons always equals the number of neutrons and of protons always equals the number of electrons are correct 
E) All of the choices are correct 
A) Protons always equals the number of neutrons 
B) Of protons always equals the number of electrons 
C) Of neutrons always equals the number of electrons 
D) Both protons always equals the number of neutrons and of protons always equals the number of electrons are correct 
E) All of the choices are correct

Question 7

Cholesterol is a phospholipid.

Accepted Answer

A) True 
 B)False

Question 8

An atom's identity is directly determined by

Accepted Answer

A) The number of electrons it has 
B) The number of neutrons it has 
C) The number of protons it has 
D) The number of bonds it can form 
E) Its atomic weight 
A) The number of electrons it has 
B) The number of neutrons it has 
C) The number of protons it has 
D) The number of bonds it can form 
E) Its atomic weight

Question 9

Adenosine triphosphate is a(n)

Accepted Answer

A) Carbohydrate 
B) Lipid 
C) Protein 
D) Nucleotide 
E) Amino acid 
A) Carbohydrate 
B) Lipid 
C) Protein 
D) Nucleotide 
E) Amino acid

Question 10

Saturated fats contain carbon atoms linked by double bonds.

Accepted Answer

A) True 
 B)False

Question 11

Carbon-12 and carbon-14 are isotopes.They differ in the number of

Accepted Answer

A) Protons 
B) Neutrons 
C) Electrons 
D) Chemical bonds they can form 
E) All of the choices are correct 
A) Protons 
B) Neutrons 
C) Electrons 
D) Chemical bonds they can form 
E) All of the choices are correct

Question 12

An atomic nucleus is electrically neutral.

Accepted Answer

A) True 
 B)False

Question 13

Glycoproteins are protein molecules with molecules of glycogen attached to the amino acid side chains.

Accepted Answer

A) True 
 B)False

Question 14

All covalent bonds are polar.

Accepted Answer

A) True 
 B)False

Question 15

The atomic number of an element refers to the number of particles in its atomic nucleus.

Accepted Answer

A) True 
 B)False

Question 16

Twelve grams of C contains the same number of atoms as one gram of H.

Accepted Answer

A) True 
 B)False

Question 17

Free radicals

Accepted Answer

A) React rapidly with other atoms 
B) Include hydroxyl radical and nitric oxide 
C) Contain two electrons in the outermost orbital 
D) React rapidly with other atoms and include hydroxyl radical and nitric oxide are correct 
E) All of the choices are correct 
A) React rapidly with other atoms 
B) Include hydroxyl radical and nitric oxide 
C) Contain two electrons in the outermost orbital 
D) React rapidly with other atoms and include hydroxyl radical and nitric oxide are correct 
E) All of the choices are correct

Question 18

The covalent bond formed between two amino acids is called a(n)

Accepted Answer

A) Glycosidic bond 
B) Peptide bond 
C) Phosphodiester bond 
D) Ester bond 
E) Hydrolytic bond 
A) Glycosidic bond 
B) Peptide bond 
C) Phosphodiester bond 
D) Ester bond 
E) Hydrolytic bond

Question 19

Protons and neutrons have roughly the same mass.

Accepted Answer

A) True 
 B)False

Question 20

Organic molecules

Accepted Answer

A) Always contain oxygen 
B) Always contain carbon 
C) Are always macromolecules 
D) Both always contain oxygen and always contain carbon are correct 
E) Both always contain carbon and are always macromolecules are correct 
A) Always contain oxygen 
B) Always contain carbon 
C) Are always macromolecules 
D) Both always contain oxygen and always contain carbon are correct 
E) Both always contain carbon and are always macromolecules are correct

Ions are

H⁺ represents the .

Carbohydrates are stored in the liver and muscles in the form of

Proteins are

The number of covalent bonds that can be formed by a given atom depends upon the number of electrons present in the outermost orbit.

In an atom,the number of

Cholesterol is a phospholipid.

An atom's identity is directly determined by

Adenosine triphosphate is a(n)

Saturated fats contain carbon atoms linked by double bonds.

Carbon-12 and carbon-14 are isotopes.They differ in the number of

An atomic nucleus is electrically neutral.

Glycoproteins are protein molecules with molecules of glycogen attached to the amino acid side chains.

All covalent bonds are polar.

The atomic number of an element refers to the number of particles in its atomic nucleus.

Twelve grams of C contains the same number of atoms as one gram of H.

Free radicals

The covalent bond formed between two amino acids is called a(n)

Protons and neutrons have roughly the same mass.

Organic molecules

Homeostasis: a Framework for Human Physiology

Cellular Structure, Proteins, and Metabolism

Movement of Molecules Across Cell Membranes

Control of Cells by Chemical Messengers

Neuronal Signaling and the Structure of the Nervous System

Sensory Physiology

Consciousness, the Brain, and Behavior

Muscle

Control of Body Movement

The Endocrine System

Cardiovascular Physiology

Respiratory Physiology

The Kidneys and Regulation of Water and Inorganic Ions

The Digestion and Absorption of Food

Regulation of Organic Metabolism and Energy Balance

Reproduction

The Immune System

Medical Physiology: Integration Using Clinical Cases

Filters

Exam 2: Chemical Composition of the Body

Ions are

H+ represents the ________ ________.

Carbohydrates are stored in the liver and muscles in the form of

Proteins are

The number of covalent bonds that can be formed by a given atom depends upon the number of electrons present in the outermost orbit.

In an atom,the number of

Cholesterol is a phospholipid.

An atom's identity is directly determined by

Adenosine triphosphate is a(n)

Saturated fats contain carbon atoms linked by double bonds.

Carbon-12 and carbon-14 are isotopes.They differ in the number of

An atomic nucleus is electrically neutral.

Glycoproteins are protein molecules with molecules of glycogen attached to the amino acid side chains.

All covalent bonds are polar.

The atomic number of an element refers to the number of particles in its atomic nucleus.

Twelve grams of C contains the same number of atoms as one gram of H.

Free radicals

The covalent bond formed between two amino acids is called a(n)

Protons and neutrons have roughly the same mass.

Organic molecules

Homeostasis: a Framework for Human Physiology

Cellular Structure, Proteins, and Metabolism

Movement of Molecules Across Cell Membranes

Control of Cells by Chemical Messengers

Neuronal Signaling and the Structure of the Nervous System

Sensory Physiology

Consciousness, the Brain, and Behavior

Muscle

Control of Body Movement

The Endocrine System

Cardiovascular Physiology

Respiratory Physiology

The Kidneys and Regulation of Water and Inorganic Ions

The Digestion and Absorption of Food

Regulation of Organic Metabolism and Energy Balance

Reproduction

The Immune System

Medical Physiology: Integration Using Clinical Cases

Filters

H⁺ represents the .