Q. No.A ‘slime layer’ or a ‘capsule’ is a modification of which of the following layers of the cell envelope of a prokaryotic cell?
1.
Glycocalyx
2.
Cell wall
3.
Lipoprotein layer
4.
Cell membrane
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Mesosomes, extensions of plasma membrane in bacterial cells, help in all the following except:
1. Cell wall formation
2. DNA replication and distribution to daughter cells
3. Respiration
4. Photosynthesis
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
A basal body is a part of bacterial:
| 1. | Inclusion bodies | 2. | Chromosomal DNA |
| 3. | Flagellum | 4. | Plasmid |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The surface appendage on the bacterial cells that helps in conjugation is:
| 1. | Flagellum | 2. | Fimbria |
| 3. | Pilus | 4. | Cilia |
Identify the incorrect statement regarding bacterial ribosomes:
1. They are associated with plasma membrane
2. They are 70 S with two subunits being 30 S and 40 S
3. Several ribosomes may attach to a single mRNA
4. They translate the mRNA into proteins
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Reserve materials in prokaryotic cells are stored in the cytoplasm in the form of:
| 1. | Non-membrane bound lysosomes | 2. | Gas vacuoles |
| 3. | Chromatophores | 4. | Inclusion bodies |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following is absent in almost all plant cells?
| 1. | Plastid | 2. | Cell wall |
| 3. | A large central vacuole | 4. | Centriole |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The lipid content of the cell membrane mainly consists of:
| 1. | Phosphoglycerides | 2. | Cholesterol |
| 3. | Unsaturated fatty acids | 4. | Lipopolysaccharides |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The approximate percent composition of proteins and lipids in the cell membrane of an erythrocyte is respectively:
| 1. | 52% and 40% | 2. | 40% and 52% |
| 3. | 60% and 40% | 4. | 40% and 60% |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The measure of fluidity of a cell membrane is:
1. the ability of proteins to flip-flop between the two layers of phospholipids
2. the ability of proteins to move laterally within the membrane
3. the ability of lipids to flip-flop between the two layers of phospholipids
4. the ability of lipids to move laterally within the membrane
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.