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Identify the cells in which true nucleus is present.
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a
Mature RBCs
b
Cyanobacteria
c
Mature sieve tube cell
d
Phloem parenchyma cell
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Correct option is D
Nucleus is absent in mature sieve tube cells and mature RBCs. Cyanobacteria belong to kingdom Monera and hence lack true nucleus. Phloem parenchyma cells contain nucleus.Talk to our academic expert!
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Similar Questions
Match components of List I with components of List II and choose the correct match.
| List I | List II | ||
| A | Cell organelle that shows peptidyl transferase activity | I | Nucleus |
| B | Cell organelle that shows RuBisCO activity | II | Ribosome |
| C | Cell organelle that shows citrate synthetase activity | III | Chloroplast |
| D | Cell organelle that shows the activity of spliceosomes | IV | Mitochondrion |
Choose the correct answer from the options given below
| A | B | C | D | |
| 1 | II | IV | I | III |
| 2 | II | III | IV | I |
| 3 | III | II | I | IV |
| 4 | III | I | II | IV |
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