Question 1

Carbohydrates are stored in the liver and skeletal muscles in the form of __________.

Accepted Answer

A)  glycogen 
B)  cholesterol 
C)  glucose 
D)  triglycerides 
A)  glycogen 
B)  cholesterol 
C)  glucose 
D)  triglycerides A

Question 2

The single most abundant protein in the body is ___________.

Accepted Answer

A)  glucose 
B)  DNA 
C)  collagen 
D)  hemoglobin 
A)  glucose 
B)  DNA 
C)  collagen 
D)  hemoglobin C

Question 3

Which of the following is incorrectly matched?

Accepted Answer

A)  amino acid; protein 
B)  nucleotide; nucleic acid 
C)  eicosanoid; triglyceride 
D)  monosaccharide; carbohydrate 
A)  amino acid; protein 
B)  nucleotide; nucleic acid 
C)  eicosanoid; triglyceride 
D)  monosaccharide; carbohydrate C

Question 4

Which property of water is demonstrated when we sweat?

Accepted Answer

A)  high heat of vaporization 
B)  polar solvent properties 
C)  cushioning 
D)  high heat capacity 
E)  reactivity 
A)  high heat of vaporization 
B)  polar solvent properties 
C)  cushioning 
D)  high heat capacity 
E)  reactivity

Question 5

Select the most correct statement regarding nucleic acids.

Accepted Answer

A)  DNA is a long, double-stranded molecule made up of A, T, G, and C bases. 
B)  Three forms exist: DNA, RNA, and tDNA. 
C)  RNA is a long, single-stranded molecule made up of the bases A, T, G, and C. 
D)  tDNA is considered a "molecular slave" of DNA during protein synthesis. 
A)  DNA is a long, double-stranded molecule made up of A, T, G, and C bases. 
B)  Three forms exist: DNA, RNA, and tDNA. 
C)  RNA is a long, single-stranded molecule made up of the bases A, T, G, and C. 
D)  tDNA is considered a "molecular slave" of DNA during protein synthesis.

Question 6

In the compound H₂CO₃, what do the numbers 2 and 3 represent?

Accepted Answer

The 2 indicates that there are

Question 7

Forming glycogen as energy storage in the liver is an example of__________ .

Accepted Answer

A)  anabolism 
B)  exergonic 
C)  catabolism 
D)  oxidation 
A)  anabolism 
B)  exergonic 
C)  catabolism 
D)  oxidation

Question 8

Which of the following does NOT characterize proteins?

Accepted Answer

A)  They may be denatured or coagulated by heat or acidity. 
B)  They have both functional and structural roles in the body. 
C)  Their function depends on their three-dimensional shape. 
D)  They appear to be the molecular carriers of coded hereditary information. 
A)  They may be denatured or coagulated by heat or acidity. 
B)  They have both functional and structural roles in the body. 
C)  Their function depends on their three-dimensional shape. 
D)  They appear to be the molecular carriers of coded hereditary information.

Question 9

Although his cholesterol levels were not high, Mr. Martinez read that cholesterol was bad for his health, so he eliminated all foods and food products containing this molecule. He later found that his cholesterol level dropped only 20%. Why did it not drop more?

Accepted Answer

Cholesterol is produ

Question 10

Which of the following statements is FALSE?

Accepted Answer

A)  When the hydrogen ion concentration decreases, the hydroxyl ion concentration also decreases. 
B)  The more hydrogen ions in a solution, the more acidic the solution. 
C)  When acids and bases are mixed, they react with each other to form water and a salt. 
D)  The pH of blood is slightly basic. 
A)  When the hydrogen ion concentration decreases, the hydroxyl ion concentration also decreases. 
B)  The more hydrogen ions in a solution, the more acidic the solution. 
C)  When acids and bases are mixed, they react with each other to form water and a salt. 
D)  The pH of blood is slightly basic.

Question 11

Chemical properties are determined primarily by neutrons.

Accepted Answer

A) True 
 B)False

Question 12

Name at least four things you know about enzymes.

Accepted Answer

1. Most are proteins. 2. They have speci

Question 13

Choose the answer that best describes HCO3-.

Accepted Answer

A)  a weak acid 
B)  a proton donor 
C)  common in the liver 
D)  a bicarbonate ion 
A)  a weak acid 
B)  a proton donor 
C)  common in the liver 
D)  a bicarbonate ion

Question 14

Are all chemical reactions reversible? If not, why aren't they all reversible?

Accepted Answer

All chemical reactions are the

Question 15

Glycogen, the storage form of glucose, is primarily stored in skeletal muscle and liver cells.

Accepted Answer

A) True 
 B)False

Question 16

If atom X has an atomic number of 74 it would have which of the following?

Accepted Answer

A)  37 electrons 
B)  37 protons and 37 electrons 
C)  74 protons 
D)  37 protons and 37 neutrons 
A)  37 electrons 
B)  37 protons and 37 electrons 
C)  74 protons 
D)  37 protons and 37 neutrons

Question 17

If the atomic mass of an element is 14 and the atomic number is 6, which of the following would describe this element?

Accepted Answer

A)  isotope 
B)  atom 
C)  neutral 
D)  ion 
A)  isotope 
B)  atom 
C)  neutral 
D)  ion

Question 18

Starch is a__________ .

Accepted Answer

A)  polysaccharide 
B)  triglyceride 
C)  monosaccharide 
D)  disaccharide 
A)  polysaccharide 
B)  triglyceride 
C)  monosaccharide 
D)  disaccharide

Question 19

Which statement about enzymes is FALSE?

Accepted Answer

A)  Enzymes may use coenzymes derived from vitamins or cofactors from metallic elements. 
B)  Enzymes may be damaged by high temperature. 
C)  Most enzymes can catalyze millions of reactions per minute. 
D)  Enzymes require contact with substrate in order to assume their active form. 
A)  Enzymes may use coenzymes derived from vitamins or cofactors from metallic elements. 
B)  Enzymes may be damaged by high temperature. 
C)  Most enzymes can catalyze millions of reactions per minute. 
D)  Enzymes require contact with substrate in order to assume their active form.

Question 20

If all protons, electrons, and neutrons are alike, regardless of the atom considered, what determines the unique properties of each element?

Accepted Answer

Atoms of different e

Carbohydrates are stored in the liver and skeletal muscles in the form of __________.

The single most abundant protein in the body is ___________.

Which of the following is incorrectly matched?

Which property of water is demonstrated when we sweat?

Select the most correct statement regarding nucleic acids.

In the compound H₂CO₃, what do the numbers 2 and 3 represent?

Forming glycogen as energy storage in the liver is an example of__________ .

Which of the following does NOT characterize proteins?

Although his cholesterol levels were not high, Mr. Martinez read that cholesterol was bad for his health, so he eliminated all foods and food products containing this molecule. He later found that his cholesterol level dropped only 20%. Why did it not drop more?

Which of the following statements is FALSE?

Chemical properties are determined primarily by neutrons.

Name at least four things you know about enzymes.

Choose the answer that best describes HCO₃-.

Are all chemical reactions reversible? If not, why aren't they all reversible?

Glycogen, the storage form of glucose, is primarily stored in skeletal muscle and liver cells.

If atom X has an atomic number of 74 it would have which of the following?

If the atomic mass of an element is 14 and the atomic number is 6, which of the following would describe this element?

Starch is a__________ .

Which statement about enzymes is FALSE?

If all protons, electrons, and neutrons are alike, regardless of the atom considered, what determines the unique properties of each element?

The Human Body: an Orientation

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

Filters

Exam 2: Chemistry Comes Alive

Carbohydrates are stored in the liver and skeletal muscles in the form of __________.

The single most abundant protein in the body is ___________.

Which of the following is incorrectly matched?

Which property of water is demonstrated when we sweat?

Select the most correct statement regarding nucleic acids.

In the compound H₂CO₃, what do the numbers 2 and 3 represent?

Forming glycogen as energy storage in the liver is an example of__________ .

Which of the following does NOT characterize proteins?

Although his cholesterol levels were not high, Mr. Martinez read that cholesterol was bad for his health, so he eliminated all foods and food products containing this molecule. He later found that his cholesterol level dropped only 20%. Why did it not drop more?

Which of the following statements is FALSE?

Chemical properties are determined primarily by neutrons.

Name at least four things you know about enzymes.

Choose the answer that best describes HCO3-.

Are all chemical reactions reversible? If not, why aren't they all reversible?

Glycogen, the storage form of glucose, is primarily stored in skeletal muscle and liver cells.

If atom X has an atomic number of 74 it would have which of the following?

If the atomic mass of an element is 14 and the atomic number is 6, which of the following would describe this element?

Starch is a__________ .

Which statement about enzymes is FALSE?

If all protons, electrons, and neutrons are alike, regardless of the atom considered, what determines the unique properties of each element?

The Human Body: an Orientation

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

Filters

Choose the answer that best describes HCO₃-.