Chapters 3 & 4

Question 1

Any solution that has the same osmotic pressure as body fluids is referred to as:

Answer 1

Isotonic

Question 2

Cellular organelles are located in the:

Answer 2

Cytoplasm

Question 3

Communication between the nucleus and custom occurs through which of the following?

Answer 3

Nuclear pore complexes

Question 4

Crenation (shrinking) occurs when blood cells are placed into which of the following solutions?

Answer 4

Hypertonic

Question 5

Facilitated diffusion is also known as which of the following?

Answer 5

Assisted diffusion.

Question 6

Hemolysis may occur when a red blood cell is placed into a(n):

Answer 6

Hypotonic solution.

Question 7

Many recognition proteins are which of the following?

Answer 7

Glycoproteins

Question 8

Modification of the cell membrane is a function of the:

Answer 8

Golgi apparatus

Question 9

The cell’s DNA is located in the:

Answer 9

Nucleus

Question 10

The fluid within the mitochondria is called the:

Answer 10

Matrix

Question 11

A polypeptide is formed by:

Answer 11

Many amino acids

Question 12

Acetyl CoA is produced when acetic acid combines with coenzyme A. This coenzyme contains which of the following?

Answer 12

Sulfur derived from vitamin B5

Question 13

Along with water, which of the following is a end product of the combination of ammonia and carbon dioxide?

Answer 13

Urea

Question 14

Gluconeogenisis is especially important for protection of which of the following body systems?

Answer 14

Nervous

Question 15

Glucose enters the cells via facilitated diffusion, which is largely enhanced by which of the following?

Answer 15

Insulin

Question 16

Glycerol is easily converted to act as an intermediate substance during glycolysis. Which of the following is a intermediate substance?

Answer 16

Glyceraldehyde-3-phosphate

Question 17

Glycolysis is the process of breaking down glucose to yield pyruvic acid and which of the following?

Answer 17

Lactic acid

Question 18

If ketone bodies are present in large quantities in the urine and blood, there is usually a increased metabolism of:

Answer 18

fatty acids.

Question 19

Pyruvic acid combines with a coenzyme to form which of the following?

Answer 19

Acetyl CoA

Question 20

The carbon dioxide of respiration is formed during the:

Answer 20

TCA cycle

Question 21

What concentration of sodium ions in the fluid surrounding cells decreases, and the concentration of other solutes remain constant, which of the following may occur?

Answer 21

The cells will swell

Question 22

In the process of cellular respiration, each molecule of glucose that is metabolized releases enough energy to form how many molecules of ATP?

Answer 22

36

Question 23

In glycolysis, each molecule of glucose metabolized releases enough energy to form how many molecules of ATP?

Answer 23

2

Question 24

The movement of particles through membranes, from regions of lower concentration to regions of higher concentration, refers to which of the following?

Answer 24

Active transport

Question 25

Which of the following causes lipogenesis to become the primary activity in adipose tissue?

Answer 25

High blood sugar

Question 26

A person who consumes many complex carbohydrates has more glycogen stored in which of the following organs?

Answer 26

Muscles

Question 27

When a moving cell engulfs something, the process is called:

Answer 27

Phagocytosis

Question 28

All of the following can be a constituent of a cell membrane, expect:

Answer 28

Messenger RNA

Question 29

Hemolysis may occur when a red blood cell is placed into a(n):

Answer 29

hypotonic solution

Question 30

What is the result of ketosis?

Answer 30

Metabolic acidosis