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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