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المواعيد كالآتي
Microbiology 👉 8:00 A.M
Parasitology 👉 11:00 A.M
Pharmacology 👉 3:00 P.M
Pathology 👉 6:00 P.M
Investigation/Nutrition 👉 8:00 P.M
المواعيد كالآتي
Microbiology 👉 8:00 A.M
Parasitology 👉 11:00 A.M
Pharmacology 👉 3:00 P.M
Pathology 👉 6:00 P.M
Investigation/Nutrition 👉 8:00 P.M
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Today's task
Investigation
Part 2 of college lectures
Lecture 8
Lecture 9
Lecture 10
Lecture 11
Lecture 12
Lecture 13
Lecture 14
Today's task
Investigation
Part 2 of college lectures
Lecture 8
Lecture 9
Lecture 10
Lecture 11
Lecture 12
Lecture 13
Lecture 14
A prokaryotic organisms have all the following components EXCEPT:
Anonymous Quiz
4%
Cell wall
8%
Mesosomes
85%
Mitochondria
0%
Ribosomes
3%
Inclusion granules
A prokaryotic organism has no:
Anonymous Quiz
4%
Cell wall
1%
Mesosomes
3%
Ribosomes
3%
Cytoplasmic membrane
89%
Nuclear membrane
In prokaryotes, the functional equivalent of mitochondria is:
Anonymous Quiz
9%
Ribosomes
64%
Mesosomes
10%
Inclusion granules
17%
Peptidoglycan
The following are functions of the cytoplasmic membrane EXCEPT:
Anonymous Quiz
3%
Respiration
7%
Cell wall biosynthesis
6%
Reproduction
79%
Staining affinity
5%
Selective transport
All of the following about the cytoplasmic membrane are true EXCEPT:
Anonymous Quiz
10%
It is a functional analogue of the mitochondria in eukaryotes
3%
It contains enzymes for cell wall synthesis
86%
Unlike eukaryotic cells, it contains sterols
1%
It is involved in the active transport of materials into the bacterial cell
The following is a feature of Gram +ve rather than Gram -ve cell wall:
Anonymous Quiz
7%
Lipid A
6%
Somatic (0) antigen
83%
Thick peptidoglycan
2%
Outer membrane
1%
Periplasmic space
The following component is found in the cell wall of Gram +ve but not Gram -ve bacteria:
Anonymous Quiz
3%
Lipopolysaccharide
5%
Peptidoglycan
1%
Endotoxin
1%
Outer membrane
89%
Teichoic acid
Lipid A is a cell wall component of:
Anonymous Quiz
2%
Teichoic acid
1%
Viruses
0%
Fungi
97%
Gram negative bacteria
One of the following is a function of the cell wall:
Anonymous Quiz
85%
Maintaining the characteristic shape of the bacterial cell
7%
Selective transport
4%
Respiration, since respiratory enzymatic located in it
3%
Excretion of extracellular enzymes
The following are functions of the bacterial cell wall EXCEPT:
Anonymous Quiz
3%
It provides shape and rigidity
86%
Active transport of nutrients
7%
It protects from environmental factors
3%
Responsible for the staining property
The bacterial structure responsible for the reaction to Gram stain is:
Anonymous Quiz
9%
The cytoplasmic membrane
89%
The cell wall
0%
The fimbriae
2%
The capsule
0%
The inclusion granules
What is the major chemical component giving bacterial cells protection from osmotic damage?
Anonymous Quiz
13%
Lipopolysaccharide
72%
Peptidoglycan
10%
Phospholipids
5%
Polysaccharide
All the following are characters of L-forms of bacteria EXCEPT:
Anonymous Quiz
73%
They are naturally occurring without cell wall
12%
They are resistant to antibiotics which inhibit cell wall synthesis
2%
They develop only in isotopic media
12%
They may resynthesize the cell wall
Mycoplasmas are intrinsically resistant to penicillin because they lack
Anonymous Quiz
99%
Cell wall
1%
Cytoplasmic membrane
0%
Plasmids
0%
Ribosomes
Bacterial capsule is most commonly composed of:
Anonymous Quiz
5%
Polypeptides
73%
Polysaccharides
3%
Lipids
19%
Peptidoglycan