Microbiology - chapter 1

Helpfulness: +4
Set Details Share
created 4 years ago by marciacaroline
7,272 views
book cover
Microbiology
Chapter 1
updated 10 months ago by marciacaroline
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

Microorganism are involved in all of the following processess

a) infection

b) decomposition of organic material

c) O2 production

d) food production

2

Each of the following organisms are considered a microbe

a) yeast

b) protozoan

c) bacterium

d) virus

3

It is not considered a microbe

Mushroom

4

The term used to describe a disease-causing microorganism is

pathogen

5

Common commercial benefits of microorganism include synthesis of

antibiotics and insulin

6

Removal of microbial from the environment typically utilizes

enzymes

7

The formal system for classifying and naming organisms was developed by

Carolus Linnaeus

8

In the name Escherichia coli, coli is the

specific name

9

In the name Staphylococcus aureus, Staphylococcus is the

genus

10

A prokaryotic cell may possess all the following cellular components

a) flagella

b) ribosomes

d) a cell wall

e) a cell membrane

11

A prokaryotic cell doesn't posses on cellular components

a nucleus

12

Which of the following is associate with viruses?

a) nucleic acid

b) envelope

c) spikes

d) capsid

13

Protozoan motility structure include

cilia, flagella, and pseudopods

14

Virus are not considered living organisms because they

cannot reproduce by themselves

15

The infection agent that causes AIDS is a

virus

16

Which of the following is not a domain system

animalia

17

Which of the following are domain system

Archaea

Bacteria

Eukaraya

18

Classification of organisms into three domains is based on

cellular organization

19

Archaea differ from bacteria in that archaea

has diverse cell wall composition

20

Who first observed a cell on microscope?

Anton van Leeuwenhoek

21

Who is credited with first observing cells?

Robert Hooke

22

Biogenesis refers to the

development of life forms from preexisting life forms

23

Spontaneous generation refers to the

development from life forms from nonliving matter

24

Spontaneous generation arguments were disproved by

Louis Pasteur

25

Louis Pasteur's experiment with the S-neck flask was

a) air exchange was involved

b) a food source was provide

c) the possibility of contamination was removed

d) all preexisting microorganism were killed

26

The microbial process of converting sugar to alcohol is known as

fermentation

27

Proof that a microbe could cause disease was provided by

Koch

28

The use of phenol as a wound disinfectant was first practiced by

Lister

29

Mycology is the study of

molds, yeast, and mushrooms

30

The first step for directly linking a microbe to a specific disease according to Koch's postulates is

compare the blood of a sick animal to blood obtained from a healthy animal

31

Robert Koch identified the cause of

Anthrax

32

Who is the physician first associated with vaccination

Jenner

33

Which of the following was essential for Edward Jenner's vaccination process?

Exposure to a milder disease form may produce immunity

34

Antibiotics are produced by

bacteria and fungi

35

The first antibiotic to be used was

Penicillin

36

Who was the first scientist to pursue a "magic bullet" to treat infections disease?

Ehrilich

37

Fungal infections are studied by

mycologists

38

Recombination DNA refers to the

DNA resulting when bacterial genes are inserted in an animal genome

39

Molecular biology is the study of

the structured and function of macromolecules essential to life

40

Which of the following are example of a beneficial function of microorganism?

a) alternative fuel production

b) bioremediation

c) gene therapy

d) agriculture

41

The major food producers for other living organisms are

higher plants, cyanobacteria and algae

42

Recombination DNA technology is used for

a) vaccine production

b) enhancing food longevity

c) drug production

e) increasing the nutritional value of food

43

Normal microbiota are found in

a) skin

b) mouth

c) colon

e) upper respiratory system

44

Which of the following about BIOFILMS are true

a) Biofilms in pipes can block the flow of water

b) Biofilms in your body protect mucous membranes from harmful microbes

d) Biofilms on medical devices cause infections

e) Biofilms on rocks provide food for animal life

45

Developmental for emerging infectious diseases can be a result of

a) microbial mutation

b) modern transportation

c) changes in the environment

d) overuse of antibiotics

46

Infection disease is almost totally eradicated in our world

FALSE

47

The process of pasteurization to reduce food spoilage utilizes high heal to kill ALL bacteria present

FALSE

48

Microbes are associated with life-sustaining benefits as well as life threatening diseases

TRUE

49

All cell possess a cell wall

FALSE

50

Some viruses can contain both DNA and RNA

FALSE