A) Krebs Cycle B) fermentation C) ETS D) glycolysis Answer: D) glycolysis Explanation: Glycolysis is the first step of cellular respiration... View Article
A) methanol and CO2 B) ethanol and CO2 C) water and CO2 D) ethanol and water Answer: B) ethanol and CO2 Explanation: The fermentation in... View Article
A) Tricarboxylic acid cycle and citric acid cycle B) Krebs’ cycle and Calvin cycle C) Tricarboxylic acid cycle and urea cycle D) Citric... View Article
A) glyceraldehyde 3-phosphate B) NAD+ C) molecular oxygen D) ATP Answer:B) NAD+ Explanation: In glycolysis, during oxidation of glyceraldehyde... View Article
Oxygen is required for oxidative phosphorylation, which takes place in the mitochondria and leads to the synthesis of most of the ATP produced... View Article
NADH and FADH2 are high energy compounds that are produced in the Krebs cycle. They are oxidised in the electron transport chain. Electrons... View Article
When glucose undergoes fermentation, there is a net gain of 2 ATP molecules that occurs in the glycolysis process. It is the same for both lactic... View Article
Pyruvate is the connecting link between many metabolic processes such as cellular respiration, fermentation, fatty acid biosynthesis and... View Article
RuBisCO is the main photosynthetic enzyme for carbon fixation in the Calvin cycle. It catalyses the carboxylation of RuBP to produce two... View Article
PEP case or PEP carboxylase is present in C4 plants in the mesophyll cells. It catalyses the initial carbon fixation, where PEP acts as the... View Article