The enzyme that catalyzes the conversion of pyruvate to acetyl-CoA is: MCQ with Answer and Explanation

Explanation:
The pons is a prominent bulge in the brainstem, located between the midbrain and the medulla oblongata. It serves as a relay station between different parts of the brain. Crucially, the pons contains the pneumotaxic center and the apneustic center, which are part of the respiratory control network. These centers modulate the activity of the primary respiratory center in the medulla, regulating the rate and depth of breathing. The cardiovascular center is in the medulla, and visual/auditory reflexes are in the midbrain.

Explanation:
The Fluid Mosaic Model of the plasma membrane was proposed by S. Jonathan Singer and Garth Nicolson in 1972. It describes the cell membrane as a dynamic, fluid structure composed of a phospholipid bilayer with globular proteins embedded or attached, moving laterally within the lipid matrix.

Explanation:
DNA (deoxyribonucleic acid) is characterized by the presence of the pentose sugar deoxyribose in its nucleotide backbone. RNA (ribonucleic acid) contains the pentose sugar ribose. DNA is typically a double-stranded helical molecule, providing stability for long-term genetic storage. RNA is generally single-stranded, allowing it to fold into complex shapes and perform various functional roles like mRNA, tRNA, and rRNA. Thus, statements 1 and 2 are correct.