chap.7rev

Question 1

Microscopy

Answer 1

The use/development of special lenses + lens systems to see what 🚫👁

Question 2

Culturing

👶👵

Answer 2

Providing conditions that will allow the growth of microbes

Question 3

Broth culture

Answer 3

A liquid culture that contains the nutrients the microbes need

Question 4

Agar culture

Answer 4

A solid culture containing the nutrients the microbes need

Question 5

Extremophiles

Answer 5

Organisms that live in extreme conditions

Question 6

Endospore

⛑🚪

Answer 6

A tough structure protecting the dormant bacteria/allows it to become freely living once external conditions are right

Question 7

Normal flora

Answer 7

Microbes that live in or on a healthy living human body

Question 8

Obligate aerobes

Answer 8

organisms that must have oxygen to survive

Question 9

Obligate anaerobes

Answer 9

Organisms that cannot survive for long in the presence of oxygen

Question 10

Facultative anaerobes

Answer 10

Organisms that can perform aerobic respiration but can switch to fermentation when little or no oxygen is present

Question 11

Serology

Answer 11

The study of blood serum and immune responses

Question 12

Strain

Answer 12

A subtype of Organism within the species grouping sometimes called a stereotype

Question 13

Nitrogen fixation

Answer 13

Conversion of atmospheric nitrogen into a nitrogen containing molecule that organisms can use

Question 14

Lytic cycle

repo. of vi. use host cell bio. res. in lysis of host cell to relese the

Answer 14

Reproduction of viruses using the host cells bio machinery resulting in lysis of the host cell to release the virons

Question 15

Lysogenic cycle

vi nuc acid -> host genome =replu. as host replu

Answer 15

Viral nucleic acid is inserted into the host genome and replicates as the host replicates

Question 16

You want to examine the entire organelle in a cell what would you use TEM or STM

Answer 16

TEM

Question 17

Gram positive color

Answer 17

Blue

Question 18

Gram negative color

Answer 18

red

Question 19

What do you call it when you add a sample of bacteria to a culture

Answer 19

Inoculating

Question 20

Difference between Archaea and bacteria

Answer 20

Archaea doesn’t have peptidoglycan

(pep-tide-oh-gly-kin)

Question 21

Four groups of extremophiles

😇🤒🍋🚽

Answer 21

Halophiles (salt- love) thermophiles (hightemp-love) acidophiles (acid-love) methanogens( methane-love)

Question 22

Main method of reproduction among bacteria

Answer 22

Binary fission

Question 23

Lactobacillus

Answer 23

Rod

Question 24

Agrococcus

Answer 24

A sphere

Question 25

Herbaspirillum

Answer 25

A spiral

Question 26

Why are cyanobacteria important to life on this planet

Answer 26

They produce oxygen 20%

Question 27

Normal flora becomes toxic but is the same strain what made it become toxic

Answer 27

It’s located in the wrong place on the body

Question 28

gammaproteobacteria

Answer 28

gram negative

Question 29

firmicutes

Answer 29

Gram positive

Question 30

Nonproteobacteria

Answer 30

Gram negative

Question 31

actinobacteria

Answer 31

gram positive

Question 32

how many different types of bacteria are needed to take nitrogen from the air and convert it into nitrate

Answer 32

three types

Question 33

in order from smallest to largest

Answer 33

prions, viruses, bacteria

Question 34

what macromolecules make up a virus

Answer 34

proteins and nucleic acid

Question 35

what enters the cell to cause infection

Answer 35

nucleic acid

Question 36

a virus infects someone but doesn’t produce symptoms for many years

Answer 36

lysogenic cycle

Question 37

are all viruses pathogenic

Answer 37

NO