Which of the following statements accurately describes the nucleolus?
It is the site of ribosomal RNA (rRNA) synthesis and ribosome biogenesis.
It is a membrane-bound organelle involved in protein synthesis.
It stores DNA and is responsible for DNA replication.
It is the primary site of cellular respiration.
Related Questions
Which part of the chloroplast becomes more acidic during active photosynthesis due to proton accumulation?
Stroma
Thylakoid lumen
Intermembrane space
Chloroplast envelope
Given below are two statements:
Statement I: Mitochondria and chloroplasts are both double membrane-bound organelles.
Statement II: The inner membrane of mitochondria is relatively less permeable compared to the chloroplast.
In light of the above statements, choose the most appropriate answer from the options given below:
Both Statement I and Statement II are correct
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Which of the following statements accurately describes the nucleolus?
It is the site of ribosomal RNA (rRNA) synthesis and ribosome biogenesis.
It is a membrane-bound organelle involved in protein synthesis.
It stores DNA and is responsible for DNA replication.
It is the primary site of cellular respiration.
Protein synthesis takes place in
Ribosome
Chloroplast
Mitochondria
Golgi bodies
During cell division, the cytoskeleton plays a vital role in:
DNA replication
RNA transcription
Chromosome segregation
Protein folding
Which statement about the differences between mitosis and meiosis is FALSE?
Mitosis results in two diploid cells, while meiosis results in four haploid cells.
Mitosis produces genetically diverse cells, while meiosis produces genetically identical cells.
Mitosis involves one round of cell division, while meiosis involves two rounds of cell division.
Mitosis is used for growth and repair, while meiosis is used for sexual reproduction.
Polysome is formed by
Several ribosomes attached to a single Mrna
Many ribosomes attached to a strand of endoplasmic reticulum
A ribosome with several subunits
Ribosomes attached to each other in a linear arrangement
Which of the following is not present in cell vacuoles?
Hydrolytic enzymes
Latex of the rubber plant
DNA
Anthocyanins of the flowers
What are those structures that appear as ‘beads-on-string’ in the chromosomes when viewed under electron microscope?
Nucleotides
Nucleosomes
Base pairs
Genes
Fat is stored in the plant cell in
Lysosome
Spherosome
Microsome
Peroxisome
