The vitamin that is required for the synthesis of clotting factors II, VII, IX, X is: MCQ with Answer and Explanation

Explanation:
In C4 plants, the initial fixation of CO2 occurs in the mesophyll cells. The primary CO2 acceptor is a 3-carbon compound, phosphoenolpyruvate (PEP). The enzyme PEP carboxylase catalyzes the reaction, forming a 4-carbon compound, oxaloacetate (OAA). In C3 plants, the primary acceptor is RuBP, a 5-carbon compound, and the enzyme is RuBisCO.

Explanation:
The esophagus is a muscular tube (about 25 cm) that propels swallowed food from the pharynx to the stomach via peristalsis. The trachea is the windpipe (air), larynx is the voice box, bronchus is a lung airway. The esophageal sphincters prevent reflux.

Explanation:
Meiosis consists of two successive divisions resulting in four genetically diverse haploid cells (gametes). Mitosis produces two identical diploid cells, amitosis is direct nuclear division, binary fission is prokaryotic asexual reproduction.