Lesson 9

Question 1

They serve as sources of carbon, oxygen, hydrogen, nitrogen, phosphorus, and sulfur

Answer 1

Nutrients

Question 2

How many are the naturally occuring elements

Answer 2

92

Question 3

Cell are composed of between _____ and _____ of water

Answer 3

70% and 95%

Question 4

Complete drying process

Answer 4

Dessication

Question 5

Organisms that “love high temperatures”

Answer 5

Thermophiles

Question 6

Organisms that “grow best at moderate” temperatures

Answer 6

Mesophiles

Question 7

Organisms that “love cold temperaturee”

Answer 7

Psychrophiles

Question 8

Micoorganisms that prefer “warmer temperature”

Answer 8

Psychroduric organisms

Question 9

They can be found in hot springs, compost pits, and silage as well near hydrovents

Answer 9

Thermophiles

Question 10

Most pathogens and indigenous microflora are

Answer 10

Mesophiles

Question 11

They grow best at normal body temperature (37 C)

Answer 11

Mesophiles

Question 12

They thrive in cold ocean water; algae pink often seen in snow

Answer 12

Psychrophiles

Question 13

Those that can live in stomach and in pickled foods

Answer 13

Acidophiles

Question 14

Acidophiles prefer a ph of _______

Answer 14

2 to 5

Question 15

They thrive in highly acidic environment

Answer 15

Acidophiles

Question 16

They prefer an alkaline environment, such is found inside the intestine

Answer 16

Alkaliphiles

Question 17

Soils laden in carbonate is called

Answer 17

Soda lakes

Question 18

The bacterium that causes cholera

Answer 18

Vibrio Cholerae

Question 19

The only human pathogen that grows well above ph 8

Answer 19

Vibrio Cholerae

Question 20

The pressure that is exerted on a cell membrane by solutions both inside and outside the cell

Answer 20

Osmotic pressure

Question 21

The concentration of solutes in the environment outside of a cell is greater than the concentration of solutes inside the cell

Answer 21

Hypertonic solution

Question 22

Shrinkage is called

Answer 22

Crenation

Question 23

Cytoplasm shrink away from the cell wall

Answer 23

Plasmolysis

Question 24

Cytoplasm shrinks away from the cell wall

Answer 24

Plasmolysis

Question 25

The concentration of solutes outside the cell is less than the concentration of solutes inside the cell

Answer 25

Hypotonic solution

Question 26

The escape of cytoplasm from the cell

Answer 26

Plasmoptysis

Question 27

The concentration of solution outside the cell equals the concentration of solutes inside the cell

Answer 27

Isotonic solution

Question 28

No changes in pressure occurs within the cell Hypertonic Solution Hypotonic Solution Isotonic Solution

Answer 28

Isotonic solution

Question 29

Internal pressure is increased Hypertonic Solution Hypotonic Solution Isotonic Solution

Answer 29

Hypotonic solution

Question 30

Internal pressure is decreased Hypertonic Solution Hypotonic Solution Isotonic Solution

Answer 30

Hypertonic solution

Question 31

Shrinking of the cell Hypertonic Solution Hypotonic Solution Isotonic Solution

Answer 31

Hypertonic solution

Question 32

Resulting in swelling of the cell Hypertonic Solution Hypotonic Solution Isotonic Solution

Answer 32

Hypotonic solution

Question 33

Microbes that actually prefer salty environments

Answer 33

Halophilic

Question 34

It refers to salt

Answer 34

Halo

Question 35

It refers to love

Answer 35

Philic

Question 36

Do not prefer to live in salty environments but are capable of surviving

Answer 36

Haloduric

Question 37

Is staphylococcus a haloduric??

Answer 37

Yes

Question 38

Thrive deep in the ocean and in oil wells, where the atmosphere pressure if very high

Answer 38

Piezophiles

Question 39

Prefer the same atmosphere that humans do

Answer 39

Obligate aerobes

Question 40

Atmosphere that require oxygen

Answer 40

Microaerophiles

Question 41

Atmosphere that is killed by the oxygen

Answer 41

Obligate anaerobes

Question 42

Earliest successful attempts to culture microorganisms in a laboratory setting were made by

Answer 42

Ferdinand Cohn Joseph Schroeter Oscar Brefeld

Question 43

He used slices of boiled potatoes on which to culture bacteria

Answer 43

Robert Koch

Question 44

It was used as a solidfying agent in Koch's culture media

Answer 44

Gelatin

Question 45

They suggested use of agar

Answer 45

Fanny Hesse

Question 46

Invented the glass petri dishes

Answer 46

Richard Julius Petri

Question 47

Became the first person to obtain a pure cultute of bacterium

Answer 47

Joseph Lister

Question 48

They made significant contributions to the GERM THEORY of disease

Answer 48

Robert Koch Louis Pasteur