Question 1

For iron,iodine,potassium,and phosphorus,the correct chemical symbols,in order,are:

Accepted Answer

A) I,Io,P,Ph 
B) Fe,I,P,Ph 
C) I,Io,K,P 
D) Fe,I,K,P 
A) I,Io,P,Ph 
B) Fe,I,P,Ph 
C) I,Io,K,P 
D) Fe,I,K,P

Question 2

Glycogen and starch are ___ that are made of ___.

Accepted Answer

A) disaccharides/sucrose 
B) polysaccharides/glucose 
C) disaccharides/glucose 
D) polysaccharides/sucrose 
A) disaccharides/sucrose 
B) polysaccharides/glucose 
C) disaccharides/glucose 
D) polysaccharides/sucrose

Question 3

Within the body,proteins may be:

Accepted Answer

A) enzymes 
B) hormones 
C) structural components of tissues 
D) all of these 
A) enzymes 
B) hormones 
C) structural components of tissues 
D) all of these

Question 4

The waste product of cell respiration is:

Accepted Answer

A) carbon dioxide 
B) water 
C) ATP 
D) heat 
A) carbon dioxide 
B) water 
C) ATP 
D) heat

Question 5

Heat may disrupt the functioning of an enzyme because:

Accepted Answer

A) human enzymes function only at 98.6°F 
B) heat can break peptide bonds 
C) water molecules are attracted to the enzyme,and denature it 
D) heat can break hydrogen bonds and denature the enzyme 
A) human enzymes function only at 98.6°F 
B) heat can break peptide bonds 
C) water molecules are attracted to the enzyme,and denature it 
D) heat can break hydrogen bonds and denature the enzyme

Question 6

An atom that has gained an electron is now called:

Accepted Answer

A) an ion that is neutral 
B) an ion with a charge of +1 
C) an ion with a charge of -1 
D) an atom with a charge of +1 
A) an ion that is neutral 
B) an ion with a charge of +1 
C) an ion with a charge of -1 
D) an atom with a charge of +1

Question 7

On the pH scale,bases are indicated by numbers:

Accepted Answer

A) below 4 
B) below 7 
C) above 4 
D) above 7 
A) below 4 
B) below 7 
C) above 4 
D) above 7

Question 8

Disulfide bonds may be part of:

Accepted Answer

A) some starches 
B) some proteins 
C) DNA and RNA 
D) true fats 
A) some starches 
B) some proteins 
C) DNA and RNA 
D) true fats

Question 9

Which element is NOT paired with its correct symbol?

Accepted Answer

A) sodium - S 
B) oxygen - O 
C) magnesium - Mg 
D) chlorine - Cl 
A) sodium - S 
B) oxygen - O 
C) magnesium - Mg 
D) chlorine - Cl

Question 10

Glucose is a molecule that is a:

Accepted Answer

A) double sugar 
B) hexose sugar 
C) pentose sugar 
D) triple sugar 
A) double sugar 
B) hexose sugar 
C) pentose sugar 
D) triple sugar

Question 11

Salts are molecules that when in solution will:

Accepted Answer

A) have no effect on pH 
B) only slightly lower pH 
C) only slightly raise pH 
D) all of these,depending on the particular salt 
A) have no effect on pH 
B) only slightly lower pH 
C) only slightly raise pH 
D) all of these,depending on the particular salt

Question 12

Which statement is NOT true of organic molecules?

Accepted Answer

A) DNA is the genetic code in chromosomes. 
B) Hormones may be steroids or proteins. 
C) Phospholipids are part of cell membranes. 
D) Oligosaccharides are energy-storage molecules. 
A) DNA is the genetic code in chromosomes. 
B) Hormones may be steroids or proteins. 
C) Phospholipids are part of cell membranes. 
D) Oligosaccharides are energy-storage molecules.

Question 13

The bonds that make water cohesive are:

Accepted Answer

A) disulfide bonds 
B) hydrogen bonds 
C) ionic bonds 
D) water bonds 
A) disulfide bonds 
B) hydrogen bonds 
C) ionic bonds 
D) water bonds

Question 14

Glucose is a molecule that is a:

Accepted Answer

A) hexose sugar 
B) monosaccharide 
C) both A and B 
D) both A and B,and inorganic 
A) hexose sugar 
B) monosaccharide 
C) both A and B 
D) both A and B,and inorganic

Question 15

Cell respiration enables our cells to release the potential energy found in molecules of:

Accepted Answer

A) water 
B) glucose 
C) oxygen 
D) minerals 
A) water 
B) glucose 
C) oxygen 
D) minerals

Question 16

The catalysts of cellular reactions are:

Accepted Answer

A) phospholipids 
B) nucleic acids 
C) hexose sugars 
D) enzymes 
A) phospholipids 
B) nucleic acids 
C) hexose sugars 
D) enzymes

Question 17

The product of cell respiration that will cause acidosis if present in excess is:

Accepted Answer

A) water 
B) carbon dioxide 
C) oxygen 
D) ATP 
A) water 
B) carbon dioxide 
C) oxygen 
D) ATP

Question 18

All organic molecules contain the elements:

Accepted Answer

A) C,H,and N 
B) C,H,and O 
C) C,O,and N 
D) H,O,and N 
A) C,H,and N 
B) C,H,and O 
C) C,O,and N 
D) H,O,and N

Question 19

A large organic molecule made of the elements C,H,O,N,and P would most likely be a:

Accepted Answer

A) nucleic acid 
B) polysaccharide 
C) protein 
D) true fat 
A) nucleic acid 
B) polysaccharide 
C) protein 
D) true fat

Question 20

Intercellular fluid is found:

Accepted Answer

A) within cells 
B) between cells 
C) both A and B 
D) both A and B,and around cells 
A) within cells 
B) between cells 
C) both A and B 
D) both A and B,and around cells

Exam 3:Some Basic Chemistry-Part C

For iron,iodine,potassium,and phosphorus,the correct chemical symbols,in order,are:

Glycogen and starch are ___ that are made of ___.

Within the body,proteins may be:

The waste product of cell respiration is:

Heat may disrupt the functioning of an enzyme because:

An atom that has gained an electron is now called:

On the pH scale,bases are indicated by numbers:

Disulfide bonds may be part of:

Which element is NOT paired with its correct symbol?

Glucose is a molecule that is a:

Salts are molecules that when in solution will:

Which statement is NOT true of organic molecules?

The bonds that make water cohesive are:

Glucose is a molecule that is a:

Cell respiration enables our cells to release the potential energy found in molecules of:

The catalysts of cellular reactions are:

The product of cell respiration that will cause acidosis if present in excess is:

All organic molecules contain the elements:

A large organic molecule made of the elements C,H,O,N,and P would most likely be a:

Intercellular fluid is found:

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Integumentary System-Part C

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Nervous System-Part C

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

The Endocrine System-Part C

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Vascular System-Part C

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Respiratory System-Part C

The Digestive System-Part A

The Digestive System-Part B

The Digestive System-Part C

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

Body Temperature and Metabolism-Part C

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

The Reproductive Systems-Part C

Glycogen and starch are _ that are made of _.