PLANT STRUCTURE QUIZ

The fluid matrix of a cell is called the

nucleus

endoplasmic reticulum

cytosol

cytoskeleton

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Which of the following functional groups would make a carbon-based compound the least polar?

Carboxyl

Phosphate

Amino

Methyl

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The cellular organelle associated with secretion is the

ribosome

mitochondrion

lysosome

golgi complex

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Cellular organelles are embedded in the

endoplasmic reticulum

cytosol

cristae

microtubules

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Which of the following experimental results does not support Mitchell's chemiosmosis theory?

Addition of dinitrophenol to isolated mitochondria during electron transport was shown to inhibit acidification of the medium

Electron transport in isolated mitochondria was shown to result in acidification of the medium

An artificial proton gradient across the inner mitochondrial membrane drives ATP synthesis in the absence of electron transport

Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis

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The cellular organelle associated with photosynthesis is the

mitochondrion

golgi complex

lysosome

chloroplast

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Tonoplast is a membrane around

mitochondria

cytoplasm

nucleus

vacuole

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Specialized type of peroxisome and the site of glyoxylate pathway in certain plants is known as

none of these

lysosome

glyoxysome

gly-peroxisome

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If the ester bonds of a triacylglycerol molecule's are broken then the kind of molecule, which would be soluble in water, is

steroid

fatty acid

glycogen

glycerol

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What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients?

Glycolysis

The redox reactions of electron transport

ATP

Creatine phosphate

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