Plant Structure

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

A:

Ribosomes

B:

DNA

C:

Enzymes

D:

All of these

Answer: D

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

A:

Storage of food

B:

Support

C:

Contractile regulation of

D:

Waste storage water content

Answer: C

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The fluid matrix of a cell is called the

A:

nucleus

B:

cytosol

C:

cytoskeleton

D:

endoplasmic reticulum

Answer: B

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Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

A:

Both have their own DNA

B:

Both have their own ribosomes

C:

Both strongly resemble prokaryotes, especially in size

D:

Both can live and function independently of the cell

Answer: D

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

A:

gly-peroxisome

B:

lysosome

C:

glyoxysome

D:

none of these

Answer: C

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Questions for: Plant Structure