The human embryo gets nutrition from the mother through the: MCQ with Answer and Explanation

Explanation:
Cerebrospinal fluid (CSF) is a clear fluid produced by the choroid plexus in the ventricles of the brain. It cushions the CNS, provides buoyancy, removes waste, and maintains chemical stability. Synovial fluid is in joints, pleural fluid in chest cavity, lymph in lymphatic vessels.

Explanation:
Hemophilia A and B are X-linked recessive, affecting mostly males. Down syndrome is trisomy 21, Turner is XO, Klinefelter is XXY.

Explanation:
ATP synthase (Complex V) uses the proton gradient generated by the electron transport chain to phosphorylate ADP to ATP. Cytochrome oxidase is Complex IV, succinate dehydrogenase is part of the Krebs cycle and Complex II, citrate synthase is in the Krebs cycle.