3.2.32 - Prokaryotes and the Environment

Question 1

Prokaryotes can make us sick but some are beneficial. True or False.

Answer 1

True

Question 2

what do the bacteria that live in our gut do?

Answer 2

They help us to digest food and produce antibiotics that keep other, harmful bacteria out.

Question 3

What category of food do bacteria help to make?

Answer 3

Dairy

Question 4

What is the suffix on the end of bacteria that is used often?

Answer 4

myces

Question 5

What type of bacteria is used as a source of antibiotics for commercial use?

Answer 5

streptomyces

Question 6

Where are streptomyces found?

Answer 6

In soil

Question 7

Much of the characteristic earthy smell of soil is from chemicals given off by what?

Answer 7

streptomyces species

Question 8

Streptomyctetes are limited in what they can “eat.” True or False.

Answer 8

False. They can “eat” almost anything

Question 9

What kinds of things do streptomyces eat?

Answer 9

sugars, alcohols, amino acids, organic acids, and aromatic compounds

Question 10

Some bacteria are decomposers that can help humans by recycling our waste chemicals and decomposing dead organisms. True or False.

Answer 10

True

Question 11

Bacteria is commonly used in waste-water treatment facilities to decompose possibly disease-carrying what?

Answer 11

feces

Question 12

What is used to clean up oil spills?

Answer 12

Bacteria that digest oil

Question 13

There is no type of bacteria that is used to clean up toxic groundwater. True or False.

Answer 13

False

Question 14

How do bacteria help with genetic engineering?

Answer 14

They help treat diseases and genetic conditions.

Question 15

What 2 tools in genetic engineering originated from bacteria?

Answer 15

restrictions enzymes (for cutting DNA) and plasmids (used for transporting it)

Question 16

Bacteria cells are also used for what?

Answer 16

gene cloning, storage in genetic libraries, mass producing genetic products (e.g. insulin) used in medical treatments