The vitamin that is a component of the coenzymes FMN and FAD is: MCQ with Answer and Explanation

Explanation:
Actin (thin) and myosin (thick) filaments slide past each other during contraction, powered by ATP. Collagen is structural, hemoglobin transports oxygen.

Explanation:
Theophrastus (c. 371–287 BCE), a student of Aristotle, is called the Father of Botany for his works 'Historia Plantarum' and 'De Causis Plantarum', in which he classified and described hundreds of plants. Aristotle is the Father of Zoology. Linnaeus developed binomial nomenclature. Darwin proposed natural selection. Theophrastus laid the early foundations of plant science.

Explanation:
Simple (endemic) goiter is caused by iodine deficiency, leading to low production of thyroid hormones. The pituitary secretes excess TSH, stimulating the thyroid to enlarge in an attempt to produce more hormones. Cretinism is congenital hypothyroidism, Graves' disease is autoimmune hyperthyroidism, Hashimoto's is autoimmune hypothyroidism. Iodized salt prevents goiter.