The Genesis of Germs Chapters 6-7

Question 1

___ are the largest antibodies.

Answer 1

IgM

Question 2

Since viruses require living host cells in order to multiply, they are considered to be _______.

Answer 2

parasitic

Question 3

One of the earliest researchers to explore the use of chemicals from tears to kill microbial pathogens was:

Answer 3

Fleming

Question 4

The “T” in T-lymphocytes stands for ___.

Answer 4

“triangular”

Question 5

The lymph nodes act as _____ to infection by filtering out and destroying toxins and germs.

Answer 5

barriers

Question 6

Once the HIV virus infects CD4+ T-cells (often called T-4 lymphocytes) in large numbers, it leads to a destruction of ___.

Answer 6

the immune system

Question 7

Is the immune response directed against all the body cells?

Answer 7

no

Question 8

The lymphatic system provides proof of Intelligent Design because of ___________:

Answer 8

its marvelously interwoven nature

Question 9

Viruses with the icosahedral shape have ___ equilateral triangular faces that provide a stable protein structure consistent with long-term survival

Answer 9

20

Question 10

In the organization of your defense system, phagocytes are best thought of as:

Answer 10

a second line of defense

Question 11

When the immune response is inappropriately directed against the cells of the body, it is known as:

Answer 11

autoimmunity

Question 12

Bacterial viruses were first named ____ by ___.

Answer 12

bacteriophages, D’Herelle

Question 13

How would you best describe the shape of a helical virus?

Answer 13

It resembles long rods that may be rigid or flexible

Question 14

Can viruses can be classified as prokaryotes or eukaryotes?

Answer 14

neither

Question 15

The human immunodeficiency virus (HIV) that causes the disease known as AIDS selectively infects ________ cells.

Answer 15

CD 4 (cytotoxic T)

Question 16

The branch of biology involving how the body is designed to protect itself from pathogens is:

Answer 16

immunology

Question 17

Are viruses adequately described as poisonous fluids?

Answer 17

no

Question 18

IgG antibodies help promote ___.

Answer 18

phagocytosis

Question 19

Describe the structure of a virus.

Answer 19

helical, complex, icosahedral or polyhedral, enveloped

Question 20

Do photomicrographs of the virions of tobacco mosaic virus and an animal virus show that the architecture of virions is vastly different between the two?

Answer 20

no

Question 21

Are dental cavities the most common viral infection in humans?

Answer 21

no

Question 22

What is the best example of variation that we have?

Answer 22

colds and flu

Question 23

Has modern science discovered the natural reservoir (source) of the Ebola virus.

Answer 23

no

Question 24

The body defense systems with their umbrella or bubble-like protection is best illustrated in the life of:

Answer 24

David Vetter

Question 25

The size of the smallest viruses can be said to be _________.

Answer 25

not much larger than the diameter of a double-stranded DNA helix

Question 26

The structure within phagocytic cells that contains digestive enzymes is the:

Answer 26

lysosome

Question 27

What are referred to as the “thorns and thistles” of the unseen microbial world.

Answer 27

Antigens

Question 28

A structural property of HIV is ____________.

Answer 28

it contains reverse transcriptase

Question 29

AIDS is ___________ a severe HIV infection.

Answer 29

a continuum of

Question 30

What is the most abundant immunoglobulin found in the fluids of the body?

Answer 30

IgG

Question 31

Viruses change quickly because of their RNA genome instead of ___.

Answer 31

DNA genome

Question 32

What are some characteristics of a virus?

Answer 32

relies on a host-cell metabolism, has a nucleic acid core surrounded by protein, contains only one or a few enzymes, relies on the host’s reproductive capabilities to spread