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Plant Structure

Plant Structure
Which of the following can be found as a part of the mitochondrial matrix?

Enzymes
Ribosomes
All of these
DNA

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Plant Structure
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
Creatine phosphate
ATP

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Plant Structure
If the ends of the following polysaccharide are pulled, which one would stretch the most?

None of these
Glycogen
Cellulose
Starch

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Plant Structure
In plant cells, which of the following is not a function of the large central vacuoles of plant cells?

Contractile regulation of
Storage of food
Support
Waste storage water content

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Plant Structure
If complex III were incorporated into an artificial lipid vesicle in order to demonstrate it's proton translocating ability in isolation, which of the following would be an appropriate electron donor?

Cytochrome c red
Ubiquinol (UQH2)
Cytochrome c peroxidase
Cytochrome c oxidase

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Plant Structure
Which cell type is likely to have the most mitochondria?

Fast-twitch muscle
Slow-twitch muscle
Liver cells
Adipose cells

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