Which of the following is an incorrect statement?

1. The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm.
2. Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm.
3. Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles.
4. Microbodies are present both in plant and animal cells.

Subtopic:  Nucleus | Microbodies |
 74%
Level 2: 60%+
NEET - 2021
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The biosynthesis of ribosomal RNA occurs in:

1. Ribosomes

2. Golgi apparatus

3. Microbodies

4. Nucleolus

Subtopic:  Nucleus |
 74%
Level 2: 60%+
NEET - 2020
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Non-membranous nucleoplasmic structures in the nucleus, are the sites for active synthesis of:

1. protein 2. mRNA
3. rRNA 4. tRNA
Subtopic:  Nucleus |
 66%
Level 2: 60%+
NEET - 2019
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Which of the following is true for nucleolus?
1. Larger nucleoli are present in dividing cells.
2. It is a membrane-bound structure.
3. It takes part in spindle formation.
4. It is a site for active ribosomal RNA synthesis.
Subtopic:  Nucleus |
 81%
Level 1: 80%+
NEET - 2018
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