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Q 1/114
Score 0
What does the acronym NAD stand for?
30
Negative Affirmative Directive
Nicotinamide Adenine Dinucleotide
Nucleic Acid Detection
Neurological Assessment Device
Q 2/114
Score 0
What is fermentation?
30
The process where cells divide to form new cells
The process where plants convert sunlight into energy
The process where rocks are broken down into smaller pieces
The process where microorganisms convert sugars into alcohol and acids
114 questions
Q.
What does the acronym NAD stand for?
1
30 sec
Q.
What is fermentation?
2
30 sec
Q.
What is the main purpose of fermentation?
3
30 sec
Q.
Which of the following is a byproduct of fermentation?
4
30 sec
Q.
Which of the following is a common product of alcoholic fermentation?
5
30 sec
Q.
What is the end product of lactic acid fermentation?
6
30 sec
Q.
What happens to NAD+ during the process of oxidation fermentation?
7
30 sec
Q.
What is the purpose of NAD+ in the process of oxidation fermentation?
8
30 sec
Q.
Which molecule is reduced to produce ethanol in oxidation fermentation?
9
30 sec
Q.
Which of the following describes the fate of acetaldehyde during oxidation fermentation?
10
30 sec
Q.
What role does NADH play in the process of oxidation fermentation?
11
30 sec
Q.
Which compound is a byproduct of the conversion of pyruvate to acetaldehyde during alcoholic fermentation?
12
30 sec
Q.
Which of the following compounds is NOT involved in the process of alcoholic fermentation?
13
30 sec
Q.
During alcoholic fermentation, which molecule is responsible for the conversion of pyruvate to acetaldehyde?
14
30 sec
Q.
Which process converts pyruvate to acetaldehyde during alcoholic fermentation?
15
30 sec
Q.
Which molecule is regenerated at the end of the alcoholic fermentation process?
16
30 sec
Q.
What is the key difference between aerobic respiration and anaerobic fermentation?
17
30 sec
Q.
Which process produces ethanol from pyruvate in the absence of oxygen?
18
30 sec
Q.
During fermentation, what is the primary purpose of converting pyruvate to acetaldehyde?
19
30 sec
Q.
In anaerobic fermentation, what is the mechanism by which ethanol is produced from acetaldehyde?
20
30 sec
Q.
Which type of fermentation involves the conversion of sugars into lactic acid?
21
30 sec
Q.
Which type of fermentation is commonly used in the production of yogurt?
22
30 sec
Q.
In acidic fermentation the CO2 is not lost from the pyruvate while in alcoholic fermentation, the CO2 is released. Which of the following is a byproduct of acidic fermentation?
23
30 sec
Q.
In which type of fermentation does the CO2 get released from pyruvate as a byproduct?
24
30 sec
Q.
Which type of fermentation is commonly used in the production of yogurt and pickles?
25
30 sec
Q.
Which type of fermentation is responsible for the production of vinegar?
26
30 sec
Q.
What is the primary method of reproduction in prokaryotic cells?
27
30 sec
Q.
During binary fission, what is the role of the cell's DNA?
28
30 sec
Q.
What is the term for the point in the cell cycle when binary fission occurs?
29
30 sec
Q.
What is the term used to describe the splitting of a parent cell into two identical daughter cells during binary fission?
30
30 sec
Q.
Which of the following is a characteristic of binary fission?
31
30 sec
Q.
Which protein is responsible for initiating DNA replication in binary fission?
32
30 sec
Q.
What is the function of dnaA in binary fission?
33
30 sec
Q.
Which molecule does dnaA bind to in order to initiate DNA replication in binary fission?
34
30 sec
Q.
During binary fission, what is the main role of dnaA in relation to the bacterial chromosome?
35
30 sec
Q.
Which phase of the cell cycle immediately follows DNA replication in binary fission?
36
30 sec
Q.
Which specific region of the bacterial chromosome does dnaA typically bind to in binary fission?
37
30 sec
Q.
Which protein complex is responsible for coordinating DNA replication during binary fission in prokaryotes?
38
30 sec
Q.
What is the primary function of the replisome during binary fission in prokaryotes?
39
30 sec
Q.
Which enzyme within the replisome complex is responsible for synthesizing new DNA strands using the existing DNA template during binary fission in prokaryotes?
40
30 sec
Q.
Which of the following is NOT a component of the replisome complex involved in binary fission in prokaryotes?
41
30 sec
Q.
What role do single-strand binding proteins play in the replisome complex during binary fission in prokaryotes?
42
30 sec
Q.
What is the function of primase within the replisome complex during binary fission in prokaryotes?
43
30 sec
Q.
Which enzyme is responsible for unwinding the DNA double helix to expose the template strands during DNA replication in prokaryotes?
44
30 sec
Q.
Which protein is essential for cell division in binary fission?
45
30 sec
Q.
What is the function of ftsZ in binary fission?
46
30 sec
Q.
Where is ftsZ primarily located during binary fission?
47
30 sec
Q.
What is the role of ftsZ in bacterial cells undergoing binary fission?
48
30 sec
Q.
What is the significance of ftsZ in binary fission?
49
30 sec
Q.
How does ftsZ contribute to the process of binary fission?
50
30 sec
Q.
What is the primary function of FtsZ in bacterial cells undergoing binary fission?
51
30 sec
Q.
Which step of the cell division process is directly facilitated by FtsZ in binary fission?
52
30 sec
Q.
Which protein is essential for the formation of the Z-ring during bacterial cell division?
53
30 sec
Q.
Which protein is essential for the formation of the divisome during binary fission in bacteria?
54
30 sec
Q.
Which protein anchors FtsZ to the cytoplasmic membrane during binary fission in bacteria?
55
30 sec
Q.
Which protein in the divisome interacts with FtsZ to facilitate the constriction of the cell during binary fission in bacteria?
56
30 sec
Q.
Which protein is involved in linking FtsZ to the cytoplasmic membrane to stabilize the Z-ring during bacterial cell division?
57
30 sec
Q.
Which protein in bacteria acts as a stabilizer by interacting with FtsZ to ensure proper Z-ring formation during cell division?
58
30 sec
Q.
Which protein in the divisome complex is responsible for recruiting other cell division proteins to the site of cytokinesis in bacteria?
59
30 sec
Q.
Which protein in bacteria assists in stabilizing the FtsZ ring and connecting it to the cytoplasmic membrane during cell division?
60
30 sec
Q.
Which protein is involved in coordinating cell division with chromosome segregation in bacterial binary fission?
61
30 sec
Q.
Which protein is known for its role in facilitating DNA segregation and cell division by translocating DNA towards opposite poles of the cell?
62
30 sec
Q.
Which protein is involved in the initiation of bacterial cell division by recruiting FtsA and ZipA to the site of cell division?
63
30 sec
Q.
Which protein aids in anchoring the FtsZ ring to the cytoplasmic membrane during bacterial cell division?
64
30 sec
Q.
Which protein is involved in linking FtsZ ring to the membrane during bacterial cell division?
65
30 sec
Q.
Which protein plays a role in DNA translocation and septal peptidoglycan synthesis during bacterial cell division?
66
30 sec
Q.
Which is not part of the divisome for binary fission?
67
30 sec
Q.
Which protein is responsible for forming the Z-ring in bacterial binary fission?
68
30 sec
Q.
What is the correct order of events during binary fission in bacteria?
69
30 sec
Q.
During binary fission, the oriC region is important for:
70
30 sec
Q.
Which protein plays a key role in coordinating the timing of bacterial cell division by regulating the activity of FtsZ?
71
30 sec
Q.
Which protein functions as a molecular brake to prevent premature cell division by inhibiting FtsZ polymerization at certain locations within the bacterial cell?
72
30 sec
Q.
Which type of bacteria has a thicker layer of peptidoglycan in its cell wall, gram positive or gram negative?
73
30 sec
Q.
Which type of bacteria has an outer membrane in addition to peptidoglycan in its cell wall, gram positive or gram negative?
74
30 sec
Q.
Which type of bacteria typically stains pink or red in a Gram stain procedure, gram positive or gram negative?
75
30 sec
Q.
Which type of bacteria is more resistant to certain antibiotics due to the presence of an outer membrane in its cell wall, gram positive or gram negative?
76
30 sec
Q.
Which type of bacteria is typically more susceptible to penicillin due to the presence of a thick layer of peptidoglycan in its cell wall, gram positive or gram negative?
77
30 sec
Q.
Which type of bacteria is more likely to have a lipopolysaccharide (LPS) layer in its outer membrane, gram positive or gram negative?
78
30 sec
Q.
Which type of bacteria is more likely to retain the violet crystal iodine complex during a Gram stain procedure, gram positive or gram negative?
79
30 sec
Q.
Which of the following molecules is a key component of the peptidoglycan cell wall and is synthesized during bacterial binary fission?
80
30 sec
Q.
Which of the following molecules serves as a key building block for the peptidoglycan cell wall during bacterial binary fission?
81
30 sec
Q.
In binary fission, what is the process responsible for synthesis of NAM and NAG?
82
30 sec
Q.
During binary fission, what occurs immediately after the replication of DNA in a bacterial cell?
83
30 sec
Q.
What is the purpose of the synthesis of NAM and NAG during binary fission in bacteria?
84
30 sec
Q.
What is the role of autolysins in binary fission of bacteria?
85
30 sec
Q.
What role does peptidoglycan play in the process of binary fission in bacteria?
86
30 sec
Q.
Which of the following substances are the building blocks for the peptidoglycan synthesis of NAM and NAG during binary fission?
87
30 sec
Q.
What role do NAM and NAG play in the synthesis of the bacterial cell wall during binary fission?
88
30 sec
Q.
What is the correct arrangement of the stages of cell wall development in binary fission?
89
30 sec
Q.
In binary fission, what is the first stage in the replication of the cell wall?
90
30 sec
Q.
Which component is involved in the synthesis of the peptidoglycan layer during binary fission in bacteria?
91
30 sec
Q.
Which molecule is responsible for linking NAM and NAG units together in the peptidoglycan layer synthesis during binary fission in bacteria?
92
30 sec
Q.
During binary fission in bacteria, which component is involved in transporting peptidoglycan precursors across the cell membrane?
93
30 sec
Q.
What is the function of NAG in the peptidoglycan layer synthesis during binary fission in bacteria?
94
30 sec
Q.
Which step comes first in the process of peptidoglycan synthesis during binary fission in bacteria?
95
30 sec
Q.
What is the role of peptide cross-linking in the peptidoglycan layer synthesis during binary fission in bacteria?
96
30 sec
Q.
Which enzyme is responsible for catalyzing the formation of peptide bonds between amino acids in the process of peptidoglycan synthesis during binary fission?
97
30 sec
Q.
During binary fission, what is the role of peptidoglycan synthase in the bacterial cell wall synthesis process?
98
30 sec
Q.
Which molecule is involved in linking the N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM) units together to form the sugar backbone of peptidoglycan during binary fission?
99
30 sec
Q.
What is the antibiotic that inhibits peptidoglycan synthesis by binding to the D-Ala-D-Ala terminus of cell wall precursors?
100
30 sec
Q.
How does vancomycin inhibit bacterial cell growth?
101
30 sec
Q.
How does the antibiotic bacitracin affect bacterial cell division in binary fission?
102
30 sec
Q.
What is the primary function of bacitracin in binary fission?
103
30 sec
Q.
Which enzyme is responsible for initiating the process of binary fission in bacteria by cleaving the N-acetylglucosamine polymer chain in peptidoglycan?
104
30 sec
Q.
What enzyme breaks down old cell wall in bacteria?
105
30 sec
Q.
Which enzyme is responsible for building new cell wall in bacteria?
106
30 sec
Q.
Which enzyme is responsible for adding sugar units to the existing cell wall in bacteria?
107
30 sec
Q.
What is the primary function of autolysin in bacterial cells?
108
30 sec
Q.
Which enzyme is responsible for adding amino sugars and amino acids to the peptidoglycan layer in bacteria?
109
30 sec
Q.
What happens to the peptidoglycan chains during binary fission?
110
30 sec
Q.
What is the primary function of transpeptidase during binary fission?
111
30 sec
Q.
In binary fission, which protein is responsible for cell wall elongation by acting as a scaffold for peptidoglycan synthesis?
112
30 sec
Q.
Which of the following is a key characteristic of MreB in bacterial cells?
113
30 sec
Q.
Which protein is responsible for guiding the synthesis of peptidoglycan along the long axis of bacterial cells to maintain cell shape and size?
