The scientist who discovered the enzyme reverse transcriptase was: MCQ with Answer and Explanation

Explanation:
Functional residual capacity (FRC) is the volume of air in the lungs at the end of a normal expiration (ERV + RV). It prevents alveolar collapse and buffers gas concentrations. Vital capacity is max exhaled after max inhalation, total lung capacity is max air lungs can hold, inspiratory capacity is max inhaled after normal exhalation.

Explanation:
The gall bladder, a small pear-shaped sac under the liver, stores and concentrates bile produced by the liver, releasing it into the duodenum in response to cholecystokinin (CCK). The liver makes bile, pancreas secretes enzymes, duodenum is the entry point.

Explanation:
COVID-19 (coronavirus disease 2019) is caused by the novel coronavirus SARS-CoV-2. MERS is caused by MERS-CoV, SARS by SARS-CoV. Influenza is caused by influenza viruses.