- 1(current)
Q. No.
I: It shows a polysome.
II: All ribosomes will be translating the same protein.
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. Neither I nor II |
I. bound by a single membrane only
II. found in all cells – both eukaryotic as well as prokaryotic
III. found in cytoplasm as well as chloroplasts, mitochondria and on RER
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
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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
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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 |
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| 1. | several mRNA molecules attached to a ribosome |
| 2. | several ribosomes attached to a single mRNA |
| 3. | the three major types of cellular RNAs attached to an mRNA molecule |
| 4. | many ribosomes attached to the surface of endoplasmic reticulum |
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| 1. Lysosome | 2. Peroxisome |
| 3. Ribosome | 4. Mesosome |
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| 1. | rRNA and proteins | 2. | rRNA and carbohydrates |
| 3. | rRNa and mRNA | 4. | mRNa, tRNA and proteins |
The number of correct statements amongst the given statements would be:
I. The outer nuclear membrane is usually continuous with ER and also bears ribosomes
II. Nuclear pores allow movement of RNA and proteins in both directions between nucleus and cytoplasm
III. Satellite chromosomes have non-staining secondary constrictions at constant locations
IV. Microbodies are membrane bound vesicles containing various enzymes and are present in both plant and animal cells
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
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- 1(current)
Q. No.
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