Deck 5: The Microbial World

Question 1

Autotrophs differ from heterotrophs in that they:

A) require organic compounds as an energy source
B) do not require organic compounds as an energy source
C) require no molecules for energy production
D) cannot produce energy

Answer 1

B

Question 2

Cells of the same type constitute this level of organization in a multicellular organism:

A) organ
B) tissue
C) nerves
D) skin

Answer 2

B

Question 3

Which of the following evolved from a single common ancestor?

A) Bacteria and Eucarya
B) Eucarya and Archaea
C) Bacteria and Archaea
D) all of the above are evolved from a single common ancestor

Answer 3

D

Question 4

Psychrophiles are microbes that live best in:

A) cold environments
B) salty environments
C) anaerobic environments
D) hot environments

Question 5

In which type of microbe listed below would a nucleoid be found?

A) protozoans
B) procaryotes
C) all microbes
D) eucaryotes

Question 6

Which of the following is NOT a characteristic of life?

A) energy production
B) irritability
C) communication
D) cellular organization

Question 7

Organisms that must absolutely avoid oxygen in order to metabolize are called:

A) facultative anaerobes
B) strict anaerobes
C) aerobes
D) aerobics

Question 8

Which microbe listed below is a prokaryote?

A) archea
B) unicellular algae
C) protozoans
D) fungi

Question 9

Of the microbes listed below, which is the smallest?

A) viruses
B) fungi
C) bacteria
D) prions

Question 10

Which of the following microbes is macroscopic?

A) mold
B) viruses
C) Archaea
D) yeast

Question 11

"Life begets life" refutes what theory?

A) cell theory
B) microbial theory
C) spontaneous generation
D) germ theory

Question 12

Bacteria that get their energy from inorganic compounds are called:

A) photosynthetic autotrophs
B) facultative autotrophs
C) chemosynthetic autotrophs
D) photosynthetic chemotrophs

Question 13

Which group contains many species of extremophiles?

A) viruses
B) protozoans
C) Eucarya
D) Archaea

Question 14

The most common method of reproduction in bacteria is:

A) binary fission
B) mitosis
C) budding
D) sexual

Question 15

Organisms that can grow and survive in the harshest of environments are known as
_______________.

Question 16

The study of the classification of organisms into distinct groups is called _______________.

Question 17

Long, branched, intertwined filaments found in molds are called _________ .

Question 18

___________ pathogens may cause disease in immunocompromised patients.

Question 19

Pathogens that must be inside living cells in order to replicate are called ___________ ___________ ____________.

Question 20

Give two examples of unicellular algae.

Question 21

Red tide is caused by a bloom of what kind of alga?

Question 22

Which of the microbes may have a genome of RNA OR DNA?

Question 23

Extremophiles that love salty environments are called ___________ .

Question 24

The abbreviation by "nm" stands for ___________.

Question 25

Name the three domains proposed by Woese.

Question 26

Provide an example of a disease caused by a protozoan.

Question 27

Compare and contrast the basic cellular structure of procaryotic cells versus eucaryotic cells.

Question 28

Describe and give an example of each of the six groups of microbes. Indicate if they are procaryotic, eukaryotic, or not considered alive.

Question 29

Briefly explain the four points of cell theory.