What are the two fates of pyruvate?
Pyruvate is found at the intersection of various metabolic pathways. When oxygen is present, pyruvate enters the Krebs cycle after... View Article
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Why is pyruvate important in metabolism?
Pyruvate is the key intermediate in many metabolic processes. It interlinks various processes such as glycolysis, gluconeogenesis, fatty acid metabolism,... View Article
How does pyruvate turn into lactic acid?
Pyruvate is reduced to lactate by the enzyme lactate dehydrogenase in the absence of oxygen. NADH is oxidised to NAD+... View Article
Does phosphorylation occur in glycolysis?
Yes, substrate-level phosphorylation occurs in glycolysis. Also Check: Where Does the Krebs Cycle Take Place in the Mitochondria? Why Does... View Article
Is NADP+ an electron carrier?
Yes, NADP+ is an electron carrier. It accepts electrons and gets reduced to NADPH in oxidation-reduction reactions. It is involved... View Article
How much water is produced in oxidative phosphorylation?
Two molecules of water are produced as O2 is reduced in the electron transport chain and accepts hydrogen ions. Also... View Article
What is the function of PEP carboxylase?
PEP carboxylase is the first enzyme of carbon fixation by the C4 or Hatch Slack pathway. It catalyses the addition... View Article
Is PEP carboxylase found in C3 plants?
Yes, it is present in C3 plants but is not involved in carbon fixation. In plants and certain bacteria, it... View Article
Why is PEP carboxylase better than RuBisCO?
PEP carboxylase is the enzyme that catalyses carbon fixation in C4 plants in the mesophyll cell. It has a higher... View Article
What does RuBisCO add to ribulose bisphosphate instead of CO2?
RuBisCO has an affinity for both CO2 and O2. During photorespiration, RuBisCO adds O2 to RuBP instead of CO2 as... View Article
What stomata open at night?
CAM plants open their stomata at night. They show crassulacean acid metabolism for carbon fixation. It is adapted to reduce... View Article
Do C4 plants produce oxygen?
Yes, C4 plants produce oxygen, the difference lies in the carbon fixation pathway. Also Check: What Is Carbon Fixation and... View Article
Which is the most abundant protein in world?
The most abundant protein in the world is the enzyme RuBisCO (ribulose bisphosphate carboxylase/oxygenase), which is found in the chloroplasts... View Article
Which protein is most abundant in the animal world?
Collagen is the most abundant protein in the animal world. Also Check: How Can The Diversity Of Proteins In Living... View Article
Which of cytochromes contains copper?
The enzyme complex cytochrome c oxidase of the ETS contains cytochrome a and a3and copper. Also Check: Where Does the... View Article
What are the four complexes present in the ETC?
The four complexes of ETC are: Complex I – NADH dehydrogenase Complex II – Succinate dehydrogenase Complex III – Cytochrome... View Article
What is the main purpose of oxidative phosphorylation?
The main purpose of oxidative phosphorylation is the synthesis of ATP, which are utilised for cellular activities. Also Check: Where... View Article
What increases oxidative phosphorylation?
The rate of oxidative phosphorylation is regulated by ADP level. When ATP is utilised it is hydrolysed to ADP. So... View Article
Is CO2 a product of oxidative phosphorylation?
No, ATP is synthesised in oxidative phosphorylation and O2 is reduced to H2O as electrons get transferred from various electron... View Article
Is any ATP produced in the electron transport chain?
Yes, maximum ATP produced during aerobic respiration is by the electron transport chain. The process is called oxidative phosphorylation. Also... View Article
