Question 1

Match the following.
-a triglyceride that has double bonds in its fatty acids and is a liquid at room temperature

Accepted Answer

A) cholesterol 
B) unsaturated fat 
C) cellulose 
D) polypeptide 
E) glucose
F)saturated fat
G)DNA
H)glycogen 
A) cholesterol 
B) unsaturated fat 
C) cellulose 
D) polypeptide 
E) glucose
F)saturated fat
G)DNA
H)glycogen

Question 2

Radioisotopes have a number of uses in science and medicine. These uses include which one of the following?

Accepted Answer

A)  repairing damaged heart tissue 
B)  dating fossils and treating cancer 
C)  providing the power supply in heart pacemakers 
D)  treating asthma and regulating nerve transmission 
E)  curing diabetes 
A)  repairing damaged heart tissue 
B)  dating fossils and treating cancer 
C)  providing the power supply in heart pacemakers 
D)  treating asthma and regulating nerve transmission 
E)  curing diabetes

Question 3

Which one of the following forms a bilayer structure that is found in cell membranes?

Accepted Answer

A)  triglycerides 
B)  amino acids 
C)  cholesterol 
D)  phospholipids 
E)  saturated fats 
A)  triglycerides 
B)  amino acids 
C)  cholesterol 
D)  phospholipids 
E)  saturated fats

Question 4

The structure of a cell membrane includes a modified form of lipid called a(n) ________.

Accepted Answer

The answer of The structure of a cell membrane includes...

Question 5

All things on Earth are made up of ________, which is defined as anything that has mass and occupies space.

Accepted Answer

The answer of All things on Earth are made up...

Question 6

During intense exercise, you produce a lot of heat energy, yet your body temperature rises only in small increments. This temperature stability is because water in body fluids releases the heat very quickly.

Accepted Answer

A) True 
 B)False

Question 7

Which one of the following is needed to synthesize a new strand of DNA?

Accepted Answer

A)  lipids 
B)  glucose 
C)  amino acids 
D)  nucleotides 
E)  ribose 
A)  lipids 
B)  glucose 
C)  amino acids 
D)  nucleotides 
E)  ribose

Question 8

Pancreatic cells make insulin, which is a type of protein. These cells use ________ in order to synthesize insulin by the process of ________.

Accepted Answer

A)  oligosaccharides; hydrolysis 
B)  nucleotides; condensation 
C)  amino acids; dehydration synthesis 
D)  fatty acids and glycerol; hydrolysis 
E)  monosaccharides; dehydration synthesis 
A)  oligosaccharides; hydrolysis 
B)  nucleotides; condensation 
C)  amino acids; dehydration synthesis 
D)  fatty acids and glycerol; hydrolysis 
E)  monosaccharides; dehydration synthesis

Question 9

The pH of human blood falls within a ________ range that is near a pH of 7.4.

Accepted Answer

The answer of The pH of human blood falls within...

Question 10

Sucrose is an oligosaccharide made up of which one of the following sugars?

Accepted Answer

A)  glucose and glucose 
B)  deoxyribose and ribose 
C)  starch and glycogen 
D)  maltose and glucose 
E)  glucose and fructose 
A)  glucose and glucose 
B)  deoxyribose and ribose 
C)  starch and glycogen 
D)  maltose and glucose 
E)  glucose and fructose

Question 11

If your blood pH is lowered significantly, many proteins will not be able to fold correctly. The result will be decreased enzyme function throughout the body.

Accepted Answer

A) True 
 B)False

Question 12

Which one of the following is TRUE regarding nucleotides?

Accepted Answer

A)  There are three different DNA nucleotides. 
B)  DNA nucleotides are assembled into RNA by the process of dehydration synthesis. 
C)  DNA nucleotides contain deoxyribose; RNA nucleotides contain sucrose. 
D)  Nucleotides are bonded together by covalent bonds between the sugars and the phosphates. 
E)  A DNA nucleotide could be made up of ribose, a phosphate, and cytosine. 
A)  There are three different DNA nucleotides. 
B)  DNA nucleotides are assembled into RNA by the process of dehydration synthesis. 
C)  DNA nucleotides contain deoxyribose; RNA nucleotides contain sucrose. 
D)  Nucleotides are bonded together by covalent bonds between the sugars and the phosphates. 
E)  A DNA nucleotide could be made up of ribose, a phosphate, and cytosine.

Question 13

Match the following.
-a polysaccharide stored in the human body

Accepted Answer

A) cholesterol 
B) unsaturated fat 
C) cellulose 
D) polypeptide 
E) glucose
F)saturated fat
G)DNA
H)glycogen 
A) cholesterol 
B) unsaturated fat 
C) cellulose 
D) polypeptide 
E) glucose
F)saturated fat
G)DNA
H)glycogen

Question 14

Use the letters from the accompanying figure to answer the following questions.
  
-In order for this atom to be electrically neutral, the number of subatomic particles labeled "A" in the figure would have to equal the number of ________.

Accepted Answer

The answer of Use the letters from the accompanying figure...

Question 15

Each of the following statements is TRUE regarding hydrogen bonds EXCEPT which one?

Accepted Answer

A)  Hydrogen bonds hold the two strands of DNA together. 
B)  Hydrogen bonds are responsible for the attraction of Na+ to Cl-. 
C)  Hydrogen bonds are responsible for some aspects of the three-dimensional structure of proteins. 
D)  Hydrogen bonds form between different water molecules. 
A)  Hydrogen bonds hold the two strands of DNA together. 
B)  Hydrogen bonds are responsible for the attraction of Na+ to Cl-. 
C)  Hydrogen bonds are responsible for some aspects of the three-dimensional structure of proteins. 
D)  Hydrogen bonds form between different water molecules.

Question 16

Match each of the following descriptions to the appropriate term. Each term may be used only once.
-glucose, cellulose, glycogen

Accepted Answer

A) proton 
B) nucleic acids 
C) carbohydrates 
D) lipids 
E) isotopes
F)electrons
G)amino acids
H)atom
I)chemical bonds
J)matter
K)molecules
L)elements 
A) proton 
B) nucleic acids 
C) carbohydrates 
D) lipids 
E) isotopes
F)electrons
G)amino acids
H)atom
I)chemical bonds
J)matter
K)molecules
L)elements

Question 17

Which solution has more free hydrogen ions: pH = 9 or pH = 3?

Accepted Answer

The answer of Which solution has more free hydrogen ions:...

Question 18

An electrically charged molecule or atom is a(n) ________.

Accepted Answer

The answer of An electrically charged molecule or atom is...

Question 19

Alpha helices and beta sheets are characteristic of protein

Accepted Answer

A)  primary structure. 
B)  secondary structure. 
C)  tertiary structure. 
D)  quaternary structure. 
E)  enzymatic structure. 
A)  primary structure. 
B)  secondary structure. 
C)  tertiary structure. 
D)  quaternary structure. 
E)  enzymatic structure.

Question 20

Lipids stored in the body are an example of potential energy.

Accepted Answer

A) True 
 B)False

Exam 2: The Chemistry of Living Things

Match the following. -a triglyceride that has double bonds in its fatty acids and is a liquid at room temperature

Radioisotopes have a number of uses in science and medicine. These uses include which one of the following?

Which one of the following forms a bilayer structure that is found in cell membranes?

The structure of a cell membrane includes a modified form of lipid called a(n) ________.

All things on Earth are made up of ________, which is defined as anything that has mass and occupies space.

During intense exercise, you produce a lot of heat energy, yet your body temperature rises only in small increments. This temperature stability is because water in body fluids releases the heat very quickly.

Which one of the following is needed to synthesize a new strand of DNA?

Pancreatic cells make insulin, which is a type of protein. These cells use ________ in order to synthesize insulin by the process of ________.

The pH of human blood falls within a ________ range that is near a pH of 7.4.

Sucrose is an oligosaccharide made up of which one of the following sugars?

If your blood pH is lowered significantly, many proteins will not be able to fold correctly. The result will be decreased enzyme function throughout the body.

Which one of the following is TRUE regarding nucleotides?

Match the following. -a polysaccharide stored in the human body

Use the letters from the accompanying figure to answer the following questions. -In order for this atom to be electrically neutral, the number of subatomic particles labeled "A" in the figure would have to equal the number of ________.

Each of the following statements is TRUE regarding hydrogen bonds EXCEPT which one?

Match each of the following descriptions to the appropriate term. Each term may be used only once. -glucose, cellulose, glycogen

Which solution has more free hydrogen ions: pH = 9 or pH = 3?

An electrically charged molecule or atom is a(n) ________.

Alpha helices and beta sheets are characteristic of protein

Lipids stored in the body are an example of potential energy.

Human Biology, Science, and Society

Structure and Function of Cells

From Cells to Organ Systems

The Skeletal System

The Muscular System

Blood

Heart and Blood Vessels

The Immune System and Mechanisms of Defense

The Respiratory System: Exchange of Gases

The Nervous System: Integration and Control

Sensory Mechanisms

The Endocrine System

The Digestive System and Nutrition

The Urinary System

Reproductive Systems

Cell Reproduction and Differentiation

Cancer: Uncontrolled Cell Division and Differentiation

Genetics and Inheritance

DNA Technology and Genetic Engineering

Development and Aging

Evolution and the Origins of Life

Ecosystems and Populations

Human Impacts, Biodiversity, and Environmental Issues

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Pancreatic cells make insulin, which is a type of protein. These cells use in order to synthesize insulin by the process of .