Bacteria Flashcards

(77 cards)

1
Q

Bacteria which grow and multiply in the marine sediments

A

Barophilic Prokaryotes ( mostly archae)

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2
Q

Bacteria are sole member of

A

Monera

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3
Q

Bacteria are – in structure but – in behaviour

A

Complex
Simple

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4
Q

Except – all monera have cell wall

A

Mycoplasma

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5
Q

In myco plasma cell wall is

A

Absent

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6
Q

In bacteria cell wall is made up of

A

Peptidoglycan or murein

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7
Q

Peptidoglycan is made up of alternating molecules of

A

NAM
NAG

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8
Q

Which bond joins NAM and NAG

A

Peptide

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9
Q

NAM

A

N acetyl muramic Acid

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10
Q

NAG

A

N acetyl Glucosamine

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11
Q

Name an amino acid exclusively found in gram positive bacteria

A

L lysine

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12
Q

Name an amino acid exclusively found in gram negative bacteria

A

DAP

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13
Q

DAP

A

Diamino Pinnelic Acid

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14
Q

In RK bacteria cell wall is made up of

A

Complex polysaccharide and populates polypeptide/ Pseudomurein 

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15
Q

In bacteria cell membrane is made up of

A

Lipoproteins

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16
Q

In place of cholesterol bacterial membrane contains

A

Hopanoid

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17
Q

Space between cell wall and Cell membrane

A

Periplasmic space

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18
Q

A part analogous to lysosome in bacteria

A

Periplasmic space

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19
Q

Name three amino acids found in both gram-negative and gram-positive bacteria

A
  1. L Alamine
  2. D Alamine
  3. D Glutamate
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20
Q

Cytoplasmic streaming

A

Cyclosis

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21
Q

In bacterial cytoplasm microtubules are 

A

Absent

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22
Q

What are non-histone proteins that responsible for packaging of DNA in prokaryotes

A

Poly amine

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23
Q

What are some specific names given to nucleus of prokaryotes

A

Genophore
Incipient nucleus
Nucleoid
False Nucleus
Fibrillar Nucleus
Primitive Nucleus

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24
Q

Are histone proteins present in Aarti bacteria

A

Yes

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25
What type of ribosome is found in cytoplasm of bacteria
70 S
26
What type of DNA is found in cytoplasm of bacteria
Double stranded circular DNA
27
In prokaryotic flagella is made up of which protein
Flagellin
28
In eukaryotes ,flagella is made up of which protein
Tubulin
29
Living cell was discovered for the first time by
Anton Von Leeuwenhoek
30
Father of Antiseptic Surgery
Lister
31
Name two techniques given by Lister
1. Sterilization 2. Artificial Culture
32
Germ theory was given by
Pasteur
33
Spherical bacteria
Coccus
34
Highest Resistance bacteria
Coccus
35
Endospore bacteria
Bacillus
36
Flagella all over the body
Peritrichous
37
Flagella in tufts
Lophotrichous
38
Two flagella on the either side
Amphitrichous
39
No flagella
Atrichous
40
Three parts of flagella
1. Basal Body 2. Hook 3. Filament
41
Thickest part of flagella
Hook
42
Rod like part of flagella
Basal Body
43
Embedded part of flagella
Basal Body
44
Longest part of flagella
Filament
45
Four rings of basal body of flagella
L P S M
46
Ring is present in gram positive bacteria
S M
47
Which pair of rings is absent in gram positive bacteria
Outer pair
48
Rings in cell wall
L P
49
Rings in cell membrane 
M
50
Ring in Periplasmic Space
S
51
Pili is made up of
Pilin protein
52
Does Pilli help in locomotion
Nooioiooo
53
Longer pili is also called
Sex Pili
54
Function of sex Pilli
Helps in conjugation
55
Pili is (contractile / non contractile)
Non contractile
56
Shorter pilli is also called
Fimbria , Infective Pili
57
Function of infective Pili
Helps in attachment with post
58
Bacteria has a chemically complex –
Cell Envelope
59
Cell envelope consist of – layers which our – arranged
3 ( three) Tightly
60
Although each layer has its unique function but together they act as a –
Single Protective Unit
61
Mucilaginous layer around cell wall
Glycocalyx
62
Three layers of cell envelope
Glycocalyx Cell Wall Cell Membrane
63
Two forma of Glycocalyx
Slime Layer Capsule
64
Slime Layer here is made up of
Polysaccharides
65
Capsule is made up of
Polysaccharides and Polypeptides
66
Loosely arranged layer of Glycocalyx
Slime Layer
67
Tightly arranged layer of Glycocalyx
Capsule
68
Function of Slime Layer
Helps in attachment
69
Function of capsule
Provide protection against phagocytosis
70
Capsule is pathogenic / non - pathogenic
Pathogenic
71
Thinner layer of Glycocalyx
Slime Layer
72
Thicker layer of Glycocalyx
Capsule
73
In gram-positive bacteria cell wall is
Unilayered made up of Peptidoglycan
74
In gram negative bacteria , cell wall is-
Bilayered
75
Outer layer of gram negative bacteria is made up of
Lipopolysaccharides
76
Gram positive bacteria has a thin layer of which acid
Teichoic Acid
77
What helps in intake of minerals in gram positive bacteria
Porin