Question 1

The evaporation of sweat is a mechanism for the loss of ____________________.

Accepted Answer

The answer of The evaporation of sweat is a mechanism...

Question 2

Disulfide bonds help maintain the 3-D shape of ____________________.

Accepted Answer

The answer of Disulfide bonds help maintain the 3-D shape...

Question 3

The disaccharides are sugars that:

Accepted Answer

A) will be digested and used for energy, such as sucrose 
B) will become part of DNA and RNA 
C) will be digested for energy, such as fructose 
D) are part of specialized enzymes

Question 4

The accumulation of carbon dioxide will cause the ____________________ of body fluids to decrease.

Accepted Answer

The answer of The accumulation of carbon dioxide will cause...

Question 5

Which of the following statements are true of water and its functions? (Read carefully and select all of the correct statements.)

Accepted Answer

A) The human body changes temperature slowly because it is 90% water. 
B) Excessive sweating may lead to dehydration. 
C) Excess body heat may be lost in the evaporation of sweat on the skin surface. 
D) The sense of taste depends on the lubricant function of water. 
E) Urine is a fluid in which waste products are dissolved
F)Synovial fluid is mostly water and is a lubricant in the digestive tract.
G)Water prevents sudden, drastic changes in temperature because of its low heat capacity.
H)The sense of smell depends on the solvent function of water.

Question 6

The active site of an enzyme:

Accepted Answer

A) is the part where the substrate molecules fit 
B) has a particular and specific shape 
C) both A and B 
D) both A and B and it changes when other reactions are needed

Question 7

An anion has:

Accepted Answer

A) a positive charge, and an example is a hydrogen ion 
B) a negative charge, and an example is a bicarbonate ion 
C) a positive charge, and an example is a chloride ion 
D) a negative charge, and an example is a sodium ion

Question 8

Carbonic acid is a ____________________ acid that will only slightly ____________________ pH.

Accepted Answer

The answer of Carbonic acid is a ____________________ acid that...

Question 9

An ionic bond is formed when atoms gain or lose ____________________.

Accepted Answer

The answer of An ionic bond is formed when atoms...

Question 10

For people, the function of cellulose is to promote:

Accepted Answer

A) energy production between meals 
B) peristalsis 
C) loss of heat in hot weather 
D) retention of heat in cold weather

Question 11

Disaccharides in the diet are digested and used for:

Accepted Answer

A) energy 
B) amino acids 
C) proteins 
D) cell membranes

Question 12

The sense of taste depends upon water as a:

Accepted Answer

A) solvent 
B) lubricant 
C) transporter 
D) heat absorber

Question 13

A reaction in which small molecules are bonded to form a larger one is a ____________________ reaction.

Accepted Answer

The answer of A reaction in which small molecules are...

Question 14

The storage form for glucose in the liver is:

Accepted Answer

A) glycogen 
B) true fats 
C) pentose sugars 
D) oligosaccharides

Question 15

On the pH scale, bases are indicated by numbers:

Accepted Answer

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

Question 16

Phospholipids are present in all human cells as part of ____________________.

Accepted Answer

The answer of Phospholipids are present in all human cells...

Question 17

A change in pH may disrupt enzyme functioning because H⁺ ions change the shape of the ____________________.

Accepted Answer

The answer of A change in pH may disrupt enzyme...

Question 18

Which of these is an example of the lubricant function of water?

Accepted Answer

A) the senses of smell and taste 
B) synovial fluid in joints 
C) transport of nutrients in the blood 
D) excretion of waste products in urine

Question 19

The transport of minerals in the blood depends on the ____________________ function of water.

Accepted Answer

The answer of The transport of minerals in the blood...

Question 20

The element that is part of the hormone thyroxine is:

Accepted Answer

A) calcium 
B) cobalt 
C) iodine 
D) sodium

Exam 2: Some Basic Chemistry

The evaporation of sweat is a mechanism for the loss of ____________________.

Disulfide bonds help maintain the 3-D shape of ____________________.

The disaccharides are sugars that:

The accumulation of carbon dioxide will cause the ____________________ of body fluids to decrease.

Which of the following statements are true of water and its functions? (Read carefully and select all of the correct statements.)

The active site of an enzyme:

An anion has:

Carbonic acid is a acid that will only slightly pH.

An ionic bond is formed when atoms gain or lose ____________________.

For people, the function of cellulose is to promote:

Disaccharides in the diet are digested and used for:

The sense of taste depends upon water as a:

A reaction in which small molecules are bonded to form a larger one is a ____________________ reaction.

The storage form for glucose in the liver is:

On the pH scale, bases are indicated by numbers:

Phospholipids are present in all human cells as part of ____________________.

A change in pH may disrupt enzyme functioning because H⁺ ions change the shape of the ____________________.

Which of these is an example of the lubricant function of water?

The transport of minerals in the blood depends on the ____________________ function of water.

The element that is part of the hormone thyroxine is:

Exam 2: Some Basic Chemistry

The evaporation of sweat is a mechanism for the loss of ____________________.

Disulfide bonds help maintain the 3-D shape of ____________________.

The disaccharides are sugars that:

The accumulation of carbon dioxide will cause the ____________________ of body fluids to decrease.

Which of the following statements are true of water and its functions? (Read carefully and select all of the correct statements.)

The active site of an enzyme:

An anion has:

Carbonic acid is a ____________________ acid that will only slightly ____________________ pH.

An ionic bond is formed when atoms gain or lose ____________________.

For people, the function of cellulose is to promote:

Disaccharides in the diet are digested and used for:

The sense of taste depends upon water as a:

A reaction in which small molecules are bonded to form a larger one is a ____________________ reaction.

The storage form for glucose in the liver is:

On the pH scale, bases are indicated by numbers:

Phospholipids are present in all human cells as part of ____________________.

A change in pH may disrupt enzyme functioning because H+ ions change the shape of the ____________________.

Which of these is an example of the lubricant function of water?

The transport of minerals in the blood depends on the ____________________ function of water.

The element that is part of the hormone thyroxine is:

Carbonic acid is a acid that will only slightly pH.

A change in pH may disrupt enzyme functioning because H⁺ ions change the shape of the ____________________.