Short Answer
Multiple Choice
Fill in the Blank
Bacterium or Virus
True/ False
100
What are two foods for which bacteria are essential in making? (125)

cheese, green olives, yogurt, pickles, and salami 

100

Which of the following structures do bacteria not have? (121-122)

a) a cell membrane 

b) a chromosome 

c) a Golgi apparatus 

d) a capsule 

c) Golgi apparatus 

100

A bacterium's DNA is located in its ________ (121) 

Cytosol 

100

What must infect a host cell in order to reproduce? (127) 

Virus 

100

A latent virus can remain in the body for years before destroying host cells. (128)

True 

200

Where does a cold sore come from? (128) 

A cold sore is caused by a latent virus that is activated when the body is sick or stressed. 

200

Which of the following structures do bacteria have? (121)

a) an endoplasmic reticulum 

b) ribosomes

c) mitochondria 

d) a nucleus 

b) ribosomes 

200

_____ protects bacterium from drying out? (121) 

Capsule 

200

What has a cell membrane? (121) 

Bacterium 

200

Archaea are no classified in kingdom Bacteria because they have endoplasmic reticula. (122) 

False


300

Besides handwashing, name two other ways that you can limit the spread of viral infections. (128-129) 

covering your coughs and sneezes, eating a balanced diet, exercising regularly, and being vaccinated.

300

Which of the following is not a beneficial role of bacteria in the environment. (124-126) 

a) decomposing wastes 

b) developing resistance to antibiotics 

c) fixing nitrogen in the soil 

d) preventing harmful bacterial infections 

b) developing resistance to antibiotics 

300

To escape poor conditions such as extreme heat or cold, some bacteria form ________ (123) 

Endospores 

300

What consists of only a protein coat and nucleic acid? (127) 

Virus

300

Harmful bacteria are a result of the whole earth being cursed after Adam and Eve sinned. (125)

True

400

What do bacteria that are found in the digestive system of ruminants help? 

They help break down cellulose.

400

How does an active virus reproduce? (128) 

a) The viral DNA forces a host cell's own machinery to make more viruses.

b) The viral DNA forces the host cell to go through binary fission.

c) The viral DNA is replicated and passed on every time the host cell goes through mitosis. 

d) all the above are correct

a) the viral DNA forces a host cell's own machinery to make more viruses. 

400

A vaccine gives your body ________ (129) 

A weakened or dead form of a virus 

400

What "fixes" nitrogen in the soil? (124)

Bacterium 

400

Some bacteria are resistant to antibiotics because they have become a new kind of organism. (126)

False

500

What is the order of events for bacteria reproduction? 

one bacterium, DNA replicates, cell membrane pinches in, two bacteria

500

Viruses may have which of the following structures? (127) 

a) a cell membrane 

b) a cell wall 

c) ribosomes 

d) RNA 

d) RNA

500

Bacteria share plasmids through a process called ______ (126) 

Conjugation

500

What is used in gene therapy? (130) 

Virus 

500

A virus is a simple cell with only a nucleic acid and a nucleus. (127)

False

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