MCQ
.......... could be found in both, the nucleus and the cytoplasm:
- ANucleolus
- BRibosomes
- CRNA
- DBoth B and C
Explanation:
RNA is found everywhere- nucleus, nucleolus, mitochondria, chloroplasts, ribosomes, cytoplasm, etc.
RNAs are 3 different types- mRNA, tRNA and rRNA. mRNA and tRNA are found in the cytoplasm and rRNA in the nucleus.
The ribosomes can be free within the cytoplasm of a cell or attached to the endoplasmic reticulum but do not present inside the nucleus.
RNA and ribosomes act together resulting in the synthesis of proteins.
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Consider the following information in respect of four objects A, B, C and D:
| Object | Density (kg/m3) | Volume (m3) | Mass (kg) |
| A | - | 2 | 4000 |
| B | 8000 | 4 | - |
| C | 2000 | - | 1000 |
| D | - | 4 | 2000 |
Which object would float on water?
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