PLANT STRUCTURE QUIZ

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

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Cellular metabolism is an example of

equilibrium metabolism

a series of reactions occurring under standard conditions

steady-state metabolism

a series of reactions that defy the second law of thermodynamics

TRUE ANSWER : ?
YOUR ANSWER : ?

Which part of a plant contains the male sex cell?

Ova

Stamen

Pollen

Style

TRUE ANSWER : ?
YOUR ANSWER : ?

The cellular organelle associated with photosynthesis is the

golgi complex

mitochondrion

lysosome

chloroplast

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Dolichol

Carnitine

Malonyl-CoA

Acetyl-CoA

TRUE ANSWER : ?
YOUR ANSWER : ?

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

None of these

Starch

Cellulose

Glycogen

TRUE ANSWER : ?
YOUR ANSWER : ?

Lysosomes are associated with

storage

digestion

photosynthesis

respiration

TRUE ANSWER : ?
YOUR ANSWER : ?

Which cell type is likely to have the most mitochondria?

Fast-twitch muscle

Liver cells

Adipose cells

Slow-twitch muscle

TRUE ANSWER : ?
YOUR ANSWER : ?

The fluid matrix of a cell is called the

endoplasmic reticulum

cytoskeleton

cytosol

nucleus

TRUE ANSWER : ?
YOUR ANSWER : ?

A cell without cell wall is called

none of these

symplast

protoplast

apoplast

TRUE ANSWER : ?
YOUR ANSWER : ?

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