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Flashcards in 2. Structure and Metabolism Deck (61)
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1

Process of reproduction by prokaryotes

Binary fission

2

Approx length of time of binary fission

Approx. 20 mins

3

Bacteria acquire nutrients from the environment through which type of transport?

Active transport

4

Requirements for all bacteria

- carbon source
- nitrogen source
- energy source (ATP)
- trace elements

5

Purpose of carbon source for bacteria

For cellular constituents

6

Purpose of nitrogen source for bacteria

For proteins

7

Purpose of energy source for bacteria

To perform cellular tasks

8

Trace elements required for all bacteria

Iron
Calcium
Zinc
Copper
Manganese
Cobalt
Phosphorus
Sulphur
Magnesium
Potassium

9

Bacteria that lives and grows in air; cannot grow anaerobically

Obligate aerobe

10

Bacteria that grows aerobically and anaerobically

Facultative anaerobe

11

Bacteria that grows better anaerobically, but can tolerate low levels of O2

Aerotolerant anaerobe

12

Bacteria that only grows anaerobically, poisoned by O2

Obligate anaerobe

13

Bacteria that grows in environments where there is increased CO2 or other enrichments

Microaerophilic

14

Purpose of bacterial metabolism

Production of ATP

15

Process where glucose is converted into pyruvate

Fermentation

16

Other names for Fermentation

Embden-Meyerhoff pathway
Glycolysis

17

Metabolism in the absence of O2 (anaerobic)

Fermentation

18

Net gain in fermentation

2 ATP
NADH2

19

End products of Fermentation

Pyruvate
NADH
FADH

20

Metabolism under the presence of O2

Aerobic respiration

21

2 pathways in aerobic respiration

Krebs cycle (Tricarboxylic acid cycle)
Electron transport chain

22

Fermentation product that enters the Krebs cycle/TCA

Pyruvate

23

Fermentation product(s) that enter the electron transport chain

NADH (Nicotinamide adenine dinucleotide)
FADH (Flavin adenine dinucleotide)

24

Net gain in Aerobic respiration

38 ATP (incl. ATP from fermentation)

25

End-products in aerobic respiration

CO2
H2O

26

Application of fermentation and respiration in the lab

Acid detection
Gas detection
Alcohol detection

27

General diameter and length of bacteria

0.2 - 2 um diameter
1 - 6 um length

28

Single, long, supercoiled, circular DNA molecule attached to the cell membrane; contains genetic info to code for products

Chromosome

29

Small, circular double-stranded DNA; may code for antibiotic resistance; can be exchanged between a donor and recipient during conjugation

Plasmids

30

Sites of protein synthesis

Ribosomes