Consider the following statements about vitamins: 1. Vitamin B₁ is thiamine. 2. Vitamin B₂ is riboflavin. 3. Vitamin B₆ is pyridoxine. Which of the above is/are correct? MCQ with Answer and Explanation

Explanation:
ATP synthase (CF₀-CF₁ complex) uses the proton gradient across the thylakoid membrane to synthesize ATP. Rubisco fixes CO₂, NADP reductase reduces NADP⁺, PEP carboxylase is in C4 plants.

Explanation:
Vitamin K is a cofactor for the enzyme γ-glutamyl carboxylase, which adds carboxyl groups to glutamic acid residues in clotting factors II, VII, IX, and X, allowing them to bind calcium and participate in coagulation. Deficiency leads to bleeding tendency.

Explanation:
Translation is the ribosome-mediated synthesis of a polypeptide chain according to the mRNA template. tRNA molecules bring amino acids, and peptide bonds form. Replication duplicates DNA, transcription synthesizes RNA from DNA, transformation is genetic uptake by bacteria.