Biotin is a vitamin that acts as a coenzyme for: MCQ with Answer and Explanation

Explanation:
Translation is the synthesis of a polypeptide chain at the ribosome, where the genetic code in mRNA is read by tRNA anticodons to assemble amino acids in the correct order. Transcription produces mRNA from DNA, replication duplicates DNA, transduction is gene transfer by viruses. Translation involves initiation, elongation, and termination factors.

Explanation:
Simple permanent tissues (parenchyma, collenchyma, sclerenchyma) consist of a single cell type. Meristematic tissues are dividing and have thin walls; xylem/phloem are complex; epidermis is dermal.

Explanation:
Iodine deficiency leads to insufficient thyroid hormone production, causing TSH hypersecretion and thyroid gland enlargement (goiter). Anemia is iron/B₁₂/folate deficiency, rickets vitamin D, scurvy vitamin C.