Archives

The first phase in the breakdown of glucose, in animal cell, is

A) Krebs Cycle B) fermentation C) ETS D) glycolysis Answer: D) glycolysis Explanation: Glycolysis is the first step of cellular respiration... View Article

When yeast ferments glucose, the products obtained are

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

At the end of glycolysis, six carbon compound ultimately changes into

A) acetyl CoA B) ethyl alcohol C) ATP D) pyruvic acid Answer:D) pyruvic acid Explanation: Glycolysis is the first step of cellular... View Article

Which of the following products are obtained by anaerobic respiration from yeast?

A) CO2 B) Beer and wine C) Alcohols D) All of these Answer: D) All of these Explanation: The fermentation in yeast under anaerobic... View Article

The correct sequence of electron acceptor in ATP synthesis is

A) c, b, a, a3 B) b, c, a3, a C) b, c, a, a3 D) a, a, b, c Answer:C) Cyt.b, c, a, a3 Explanation: ATP is synthesised by oxidative... View Article

The end product of fermentation are

A) CO2 and acetaldehyde B) O2 and C2H5OH C) CO2 and C2H5OH D) CO2 and O2 Answer: C) CO2 and C2H5OH Explanation: Fermentation is... View Article

In Krebs’ cycle, the FAD participates as electron acceptor during the conversion of

A) succinic acid to fumaric acid B) fumaric acid to malic acid C) ⍺-ketoglutarate to succinyl CoA D) succinyl CoA to succinic acid... View Article

Which of the following is the key intermediate compound linking glycolysis to the Krebs’ cycle?

A) Acetyl CoA B) Malic acid C) ATP D) NADH Answer:A) Acetyl CoA Explanation: Acetyl CoA is the key intermediate, which links... View Article

Cytochrome is

A) Fe containing porphyrin pigment B) metallo flavoproteins C) lipid D) glycoprotein Answer:A) Fe containing porphyrin pigment... View Article

In which one of the following do the two names refer to one and the same thing ?

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

In glycolysis, during oxidation electrons are removed by

A) glyceraldehyde 3-phosphate B) NAD+ C) molecular oxygen D) ATP Answer:B) NAD+ Explanation: In glycolysis, during oxidation of glyceraldehyde... View Article

During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?

A) Krebs’ cycle B) Glycolysis C) Electron transport chain D) Conversion of pyruvic acid to acetyl CoA Answer:C) Electron transport... View Article

All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is

A) malate dehydrogenase B) isocitrate dehydrogenase C) lactate dehydrogenase D) succinate dehydrogenase Answer:D) succinate... View Article

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Archives

The first phase in the breakdown of glucose, in animal cell, is

When yeast ferments glucose, the products obtained are

At the end of glycolysis, six carbon compound ultimately changes into

Which of the following products are obtained by anaerobic respiration from yeast?

The correct sequence of electron acceptor in ATP synthesis is

The end product of fermentation are

In Krebs’ cycle, the FAD participates as electron acceptor during the conversion of

Which of the following is the key intermediate compound linking glycolysis to the Krebs’ cycle?

Cytochrome is

In which one of the following do the two names refer to one and the same thing ?

In glycolysis, during oxidation electrons are removed by

During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?

All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is

The overall goal of glycolysis, Krebs’ cycle and the electron transport system is the formation of

What is the role of O2 in respiration and how is ATP synthesised?

What is the role of the NADH + H+ and FADH2 that is synthesised?

What is the net ATPs that is synthesised when one molecule of glucose is fermented to alcohol or lactic acid?

What is the metabolic fate of pyruvate?

Which cells have RuBisCO in C3 and C4 plants?

Do both C3 and C4 plants have PEP Case?

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