Q. Select the wrong statement.
A) The building blocks of lipids are amino acids
B) Majority of enzymes contain a non-protein part called the prosthetic group
C) The thylakoids are arranged one above the other like a stack of coins forming a granum
D) Crossing over occurs at pachytene stage of meiosis-I
Explanation
Amino acids are organic acids (with carboxylic group (-COOH) and having amino group $( - NH_{2})$ generally attached to $\alpha - carbon\ or\ next\ to\ the$ carboxylic group. Carboxylic group provides an acidic property to the amino acid, while amino group gives it a basic reaction. Amino acids are building blocks of proteins and enzymes.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.