Question

Three of the following statements regarding cell organelles is correct, while one is wrong.

• A. In chloroplast ,many flat membranous tubules are present called the stroma lamellae connecting the thylakoids of the different grana.
• B. ‘S’ (sedimentation coefficient) is a direct measurement of density and size of Ribosomes.
• C. The central part of the proximal region of the centriole is proteinaceous and is called the hub.
• D. In animals, SER is the major site for synthesis of lipid as well as steroidal hormones.

Answer 1

The correct option is B

‘S’ (sedimentation coefficient) is a direct measurement of density and size of Ribosomes.

Wrong statement is (2). Sedimentation coefficient is a direct measurement of density and size.