Plant Structure Questions & Answers - Page 3

11.

Cellular organelles are embedded in the

A.

endoplasmic reticulum

B.

cristae

C.

cytosol

D.

microtubules

Correct answer is C

No explanation has been provided for this answer.

12.

Which of the following statements about mitochondrial proteins is true?

A.

All mitochondrial proteins are coded for and synthesized in the mitochondria

B.

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

C.

All mitochondrial proteins are imported from the cytoplasm

D.

Mitochondrial proteins arise from other mitochondrial proteins

Correct answer is B

No explanation has been provided for this answer.

13.

The cellular organelle associated with secretion is the

A.

golgi complex

B.

mitochondrion

C.

ribosome

D.

lysosome

Correct answer is A

No explanation has been provided for this answer.

14.

Both plant and animal cell possess

A.

cell walls

B.

mitochondria

C.

central vacuoles

D.

chloroplast

Correct answer is B

No explanation has been provided for this answer.

15.

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

A.

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

B.

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

C.

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

D.

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

Correct answer is B

No explanation has been provided for this answer.