Q. Consider the following statements and choose the correct one
A) Plant cells have centrioles which are absent in almost all animal cells
B) Ribosomes are the site of protein synthesis
C) The middle lamella is layer mainly of calcium carbonate which holds the different neighbouring cells together
D) In animal cells, steroidal hormones are synthesised by smooth endoplasmic reticulum
Explanation
Ribosomes are the site of protein synthesis, also called proteins factories. In testes, ovary and adrenal cortex, SER has a role in the synthesis of steroid hormones.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.