- The nucleus in plant cells is a prominent organelle enclosed by a double membrane known as the nuclear envelope. - Chloroplasts, the sites of photosynthesis in plant cells, are also enclosed by a double membrane. Therefore, both the nucleus and chloroplasts are surrounded separately by their own membranes.
In plant cells
Asked in UPSC CDS 2 2022 · Topic: Cell (Nucleus: Nuclear Envelope, Chromatin, Nucleolus, and Functions)
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Answer: B. Nucleus and chloroplasts are surrounded sep‐ arately by their own membrane.
More Biology questions
- Chromosomes are composed of DNA and :
- With respect to chromosomes in eukaryotic cells regarding DNA as genetic material consider the following statements: Histones are small proteins associated with chromosomal DNA of eukaryotic cells.
- Which of the following statements about DNA is/are correct ? 1. DNA is the hereditary material of all living organisms. 2. All segments of DNA code for synthesis of proteins. 3. Nuclear DNA is double helical with two nucleotide chains which run anti-parallel. 4. DNA is also found in mitochondria. Select the correct answer using the code given below :
- A feature common to nucleus, chloroplast and mitochondria is the presence of
- The chromonema is a coiled structure, which can be easily separated in case of
- Which of the following statements is not true?
- The subunits of DNA are known as :
- The eukaryotic chromatin is composed of