Answer:
enzyme action
Explanation:
During enzyme action , the enzyme acts as a catalyst to break down the food leading to a further and easier digestive process.
Answer: Paleozoic
Explanation:
Paleozoic is the earliest era
Cross plants that have very different characteristics.
The correct answer is option D,
in the alcoholic fermentation, which is a type of anaerobic respiration pyruvic acid is converted to ethanol and CO2 thereby creating NAD+ from NADH after glycolysis.
The nucleus of a cell was discovered by Ernest Rutherford (answer c) in 1911 in the UK, and he based his discovery on an experiment conducted two years before by Geigen and Marsden