Microbiology

Question 1

Which of these is a microbe?
a) dust
b) blood cells
c)virus
d)toxins

Answer 1

c) virus

Question 2

Viruses can only multiply inside of an infected cell
True or false?

Answer 2

True

Question 3

What sort of cell wall does bacteria have?

Answer 3

Peptidoglycan

Question 4

A microbe with a nucleus and internal membranes, a photosynthetic metabolism, and no cell wall is most likely to be a bacteria or Protozoa since all algae have cell walls

Answer 4

False

Question 5

All microbes have cell walls
True or false

Answer 5

False

Question 6

Which of the following is a prokaryotic microbe
a) Helminth
b) Algae
c) Yeast
d) Viruses

Answer 6

a)

Question 7

Which of the following is an acellular microbe (a microbe not made of cells)
a) Helminth
b) Bacteria
c) Archae
d) Viruses

Answer 7

d)

Question 8

Suppose you find an organism that is motile, has a cell wall, has a circular genome, and contains no internal organelles. Which of the following would it most likely be classified as?
a) Bacteria
b) Fungi
c) Archae
d) Protozoa
e) Either bacteria or Archae
f) Either bacteria or protozoa

Answer 8

e)

Question 9

An organism that contains internal organelles and feeds by surrounding and devouring its prey is more likely a:
a) Bacteria
b) Protozoa
c) Fungi
d) Algi

Answer 9

b)

Question 10

An organism that contains internal organelles and feeds by surrounding and devouring its prey is most likely a:
a) Bacteria
b) Protozoa
c)Fungi
d)Algi

Answer 10

b)

Question 11

RnA is made in the nucleus
True or false

Answer 11

True

Question 12

The endoplasmic reticulum is connected to the nucleus
True or false

Answer 12

True

Question 13

The smooth ER contains the ribosomes
True or false

Answer 13

False

Question 14

Which of the following best defines the functions of the Golgi
a) proteins are folded into their final form here
b) Lipids are synthesized here
c) RNA from the Nucleus is packaged and sent to the ribosomes
d) Proteins are sorted and shipped to their final destination

Answer 14

d) proteins are sorted and shipped into their final destination

Question 15

Membrane and proteins are exchanged between the ER, Golgi, peroxisomes, lysosomes, and vesicles
True or false

Answer 15

True

Question 16

Which of the following organelles contain DNA
Nucleus
ER
Golgi
Mitochondria
Lysosome

Answer 16

Nucleus and mitochondria

Question 17

Which of the following organelles is not part of the Endomembrane System
a) Endoplasmic reticulum
b) Golgi
c) Lysosome
d) Mitochondria

Answer 17

d) Mitochondria

Question 18

Sugar groups may be added to proteins in which of the following?
a) smooth endoplasmic reticulum
b) Rough endoplasmic reticulum
c) Golgi apparatus
d) Lysosome

Answer 18

c) Golgi apparatus

Question 19

Mi tho Indira in eukaryotic cells contain ribosomes that are structurally similar to those found in prokaryotic cells
True or false

Answer 19

True

Question 20

Which organelles is often described as “central shipping and receiving”?
a) ER
b) Nucleus
c) Golgi apparatus
d) Mitochondria

Answer 20

c) Golgi apparatus

Question 21

Where are ribosomes assembled and tested?
a) the nucleolus
b) ROUGH ER
c) Lysosome
d) cytoplasm

Answer 21

a) nucleolus

Question 22

The two organelles involved in detoxification are:
a) nucleus and rough ER
b) Smooth ER and rough ER
c) Lysosome and peroxisome
d) Smooth er and peroxysome

Answer 22

d) smooth Er and peroxysome

Question 23

Suppose you are studying a motile microbe that moves by means of pseudopods. Which sold the following statements would most likely be true about it?
a) It would no in a run-and-tumble motif
b) It’s pseudopods would stain positive for microtubules
c) It’s pseudopods would stain positive for microfilaments
d) intermediate filaments are involved in its motility

Answer 23

c) It’s pseudopods would stain positive for microfilaments

Question 24

Flagella and cilia are made of what cytoskeletal component?
a) Microtubules
b) Microfilaments
c) Intermediate filaments

Answer 24

a) Microtubules

Question 25

Which of the following organisms would be least likely to have a cell wall? a) Bacteria b) Fungi c) Protozoa d) Algi

Answer 25

c) Protozoa

Question 26

Which of the following things would you find in all viruses a) DNA b) RNA c) Membrane d) Proteins

Answer 26

d) proteins

Question 27

Which of the following is not a way in which viruses are different from cells? a) Viruses are assembled from pieces while cells grows and divide b) Viruses do not change and evolve over time. c) Viruses do not eat or obtain energy d) Viruses can have DNA or RNA while cells have both DNA and RNA

Answer 27

b) Viruses do not change and evolve over time.

Question 28

Which of the following best describes a virion? a) A virus that has integrated itself into its host genome b) A virus that does not have a lipid envelope c) A virus that has infected a cell d) A virus with a capsid outside of cell

Answer 28

d) A virus with a capsid outside of cell

Question 29

All viruses: a) have spike proteins b) are obligate Intracelullar parasites c) Infect a wide variety of organism d) All of these things

Answer 29

b) are obligate Intracelullar parasites

Question 30

Which of the following statements is FALSE? a) Temperate phage scan become prophages b) Animal viruses can be classified according to shape, genome structure, and the presence or absence of an envelope c) Viral capsomeres have enzymatic function d) Bacteriophages do not typically have envelopes

Answer 30

c) Viral capsomeres have enzymatic function

Question 31

A superficial fungal infection found on the head is called: a) Times cruris b) Tinea solis c) Tinea pedis d) Tinea capitis

Answer 31

d) Tinea capitis

Question 32

Which of the following is important for preventing Tinea pedis? a) Showering after swimming in a chlorinated pool b) Avoiding the overuse of broad spectrum antibiotics c) Using lotion or moisturizers on the area d) Keeping the area dry

Answer 32

d) keeping the area dry

Question 33

Which of the following organism is typically responsible for a yeast infection a) E. Coli b) Tinea solium c) Candida albicans d)Dermatophytes

Answer 33

c) Candida albicans

Question 34

Which of the following is NOT risk factor for candidiasis vaginitis a)Uncontrolled diabetes b) antibiotic usage c) Latex condom during intercourse d) Pregnancy

Answer 34

c) Latex condom usage during intercourse