PLANT STRUCTURE QUIZ

Which cell type is likely to have the most mitochondria?

Liver cells

Adipose cells

Fast-twitch muscle

Slow-twitch muscle

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YOUR ANSWER : ?

The cellular organelle associated with secretion is the

mitochondrion

ribosome

golgi complex

lysosome

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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

Cytochrome c peroxidase

Cytochrome c oxidase

Ubiquinol (UQH2)

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The element neon (Ne) has eight electrons in its outermost electron shell. How many covalent bonds will Ne readily form?

Four

One

Two

None

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Lysosomes are associated with

respiration

storage

digestion

photosynthesis

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Cellular metabolism is an example of

steady-state metabolism

equilibrium metabolism

a series of reactions that defy the second law of thermodynamics

a series of reactions occurring under standard conditions

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Cellular organelles are embedded in the

cytosol

cristae

endoplasmic reticulum

microtubules

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Any system that is not at equilibrium

is rushing toward equilibrium at a very rapid rate

requires an enzyme to reach equilibrium

is thermodynamically unstable, although it may be kinetically stable

is kinetically unstable, although it may be thermodynamically stable

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YOUR ANSWER : ?

Which molecule serves as a carrier of fatty acids in mitochondria?

Dolichol

Acetyl-CoA

Carnitine

Malonyl-CoA

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Which of the following statements about mitochondrial proteins is true?

Mitochondrial proteins arise from other mitochondrial proteins

Some mitochondrial proteins are coded for and synthesized in the mitochondria and others

All mitochondrial proteins are coded for and synthesized in the mitochondria

All mitochondrial proteins are imported from the cytoplasm

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