The Evolution of Microorganisms and Microbiology

Question 1

specialized science that deals with the study of microorganisms

Answer 1

microbiology

Question 2

organisms and acellular entities too small to be clearly seen by the unaided eye

Answer 2

microorganisms

Question 3

Microorganisms can be <1 mm, some can be macroscopic

True or False

Answer 3

True

Question 4

organisms that are relatively simple in their construction and lack highly differentiated cells and distinct tissues

Answer 4

Microorganisms

Question 5

Microorganisms are ubiquitous

True or False

Answer 5

True

Question 6

Microorganisms are the most populous and diverse group of organisms

True or False

Answer 6

True

Question 7

Microorganisms are found everywhere on the planet

True or False

Answer 7

True

Question 8

What are the positive impacts of microorganisms?

Answer 8

• play a major role in recycling essential materials
• source of nutrients and some carry out photosynthesis
• benefit society by their production of food, beverages, antibiotics, and vitamins

Question 9

What are the negative impacts of microbiology?

Answer 9

• some cause disease in plants and animals
• cause food spoilage
• poisoning and intoxication

Question 10

what are the cellular biological entities?

Answer 10

fungi
protists
bacteria
archaea

Question 11

what are the acellular biological entities?

Answer 11

viruses
viroids
satellites
prions

Question 12

ex. of fungi

Answer 12

yeasts
molds

Question 13

ex. of protists

Answer 13

algae
protozoa
slime molds

Question 14

ex. of bacteria

Answer 14

Escherichia coli

Question 15

ex. of archaea

Answer 15

methanogens

Question 16

viruses are composed of

Answer 16

protein and nucleic acid

Question 17

viroids are composed of

Answer 17

RNA

Question 18

satellites are composed of

Answer 18

nucleic acid and RNA

Question 19

prions are composed of

Answer 19

protein

Question 20

What are the types of microbial cells?

Answer 20

Prokaryotic and Eukaryotics cells

Question 21

What is the difference bet Prokaryotic and Eukaryotic cells?

Answer 21

Prokaryotic lacks nucleus while Eukaryotic has nucleus.

Question 22

What are the five kingdoms based on two cell types?

Answer 22

Monera
Protista
fungi
Animalia
Plantae

Question 23

What is the only prokaryotic kingdom?

Answer 23

Monera

Question 24

discovered 2 different group of prokaryotic organisms?

Answer 24

Carl Woese

Question 25

What are the 3 domains based on the comparison of ribosomal genes?

Answer 25

bacteria (true bacteria) archaea eukarya (eukaryotes)

Question 26

bacteria is usually single celled. (t or f)

Answer 26

true

Question 27

bacteria has cell wall with peptidoglycan (t or f)

Answer 27

true

Question 28

bacteria has nucleus (t or f)

Answer 28

false

Question 29

some bacterias can cause diseases (t or f)

Answer 29

true

Question 30

cyanobacteria produce oxygen (t or f)

Answer 30

True

Question 31

bacterias are not ubiquitous and cannot live in extreme environments (t or f)

Answer 31

false

Question 32

distinguished from bacteria by unique rRNA gene sequences

Answer 32

domain archaea

Question 33

archaea lack peptidoglycan in cell walls (t or f)

Answer 33

true

Question 34

archae have unique membrane lipids (t or f)

Answer 34

true

Question 35

archaea have unusual metabolic characteristics (t or f)

Answer 35

true

Question 36

archaea can also live in extreme environments (t or f)

Answer 36

true

Question 37

archaea can cause diseases (t or f)

Answer 37

false

Question 38

generally unicellular but larger than bacteria and archaea

Answer 38

protists

Question 39

photosynthetic

Answer 39

algae

Question 40

may be motile, "hunters, grazers"

Answer 40

protozoa

Question 41

two life cycle stages

Answer 41

slime molds

Question 42

devastating disease in plants

Answer 42

water molds

Question 43

yeast

Answer 43

unicellular

Question 44

mold

Answer 44

multicellular

Question 45

smallest of all microbes that requires host to relicate and can cause diseases such as cancers

Answer 45

viruses

Question 46

infectious agents composed of RNA

Answer 46

viroids and virusoids

Question 47

composed of nucleic acid enclosed in a protein shell

Answer 47

satellites

Question 48

coinfect a host cell with a helper virus to complete their life cycle

Answer 48

satellites

Question 49

infectious proteins

Answer 49

prions