Chapter 4 Online quizzes

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'The energy available to do useful work' is a description of:

Kinetic energy correct incorrect

Free energy correct incorrect

Enthalpy correct incorrect

Entropy correct incorrect

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The Correct biochemical equation for aerobic respiration in cells is:

glucose + oxygen → lactic acid correct incorrect

glucose + oxygen → carbon dioxide + water correct incorrect

glucose + water → lactic acid correct incorrect

glucose → ethanol + carbon dioxide correct incorrect

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As the intensity of exercise increases, the cellular energy needs of human muscles are usually met by:

Increasing production of ATP by aerobic reactions correct incorrect

Decreasing use of ATP in some biochemical reactions correct incorrect

Not changing anything correct incorrect

Increasing production of ATP by anaerobic reactions correct incorrect

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The name used to describe the group of proteins that convert pyruvate into acetyl CoA is:

Pyruvate kinase correct incorrect

Acetyl CoA synthase correct incorrect

Pyruvate dehydrogenase complex correct incorrect

Citrate synthase correct incorrect

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What phase of aerobic respiration requires the biochemical reaction catalysed by ATP synthase?

Glycolysis correct incorrect

Conversion of pyruvate into acetyl CoA correct incorrect

Krebs cycle (the citric acid cycle) correct incorrect

Oxidative phosphorylation correct incorrect

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Which scientist was awarded the 1978 Nobel Prize in Chemistry for his development of the chemiosmotic theory?

John Walker correct incorrect

Paul D. Boyer correct incorrect

Max Planck correct incorrect

Peter Mitchell correct incorrect

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How many molecules of ATP are produced for each molecule of glucose metabolised by aerobic respiration?

2 correct incorrect

10 correct incorrect

26 correct incorrect

At least 30 correct incorrect

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What term describes most plants, algae, and cyanobacteria, which use light to make food in the form of organic molecules?

Chemotroph correct incorrect

Photoautotroph correct incorrect

Herbivore correct incorrect

Carnivore correct incorrect

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What is the simplified name of the enzyme complex involved in the first major step of most photosynthetic reactions, which is probably the most abundant enzyme on Earth?

Rubisco correct incorrect

Bacteriorhodopsin correct incorrect

PEP carboxylase correct incorrect

Chlorophyll correct incorrect

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Which eukaryotic organelles are believed to be formed by endosymbiotic events involving cyanobacteria?

Mitochondria correct incorrect

Ribosomes correct incorrect

Chloroplasts correct incorrect

Golgi apparatus correct incorrect