PLANT STRUCTURE QUIZ

Lysosomes are associated with

respiration

storage

photosynthesis

digestion

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

None

Four

Two

One

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Which of the following elements is likely to form the least polar covalent bond with hydrogen?

Oxygen

Phosphorus

Nitrogen

Carbon

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

Dolichol

Malonyl-CoA

Acetyl-CoA

Carnitine

TRUE ANSWER : ?
YOUR ANSWER : ?

Cellular organelles are embedded in the

cytosol

endoplasmic reticulum

microtubules

cristae

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Storage of food

Contractile regulation of

Support

Waste storage water content

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following statements about mitochondrial proteins is true?

All mitochondrial proteins are coded for and synthesized in the mitochondria

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

Mitochondrial proteins arise from other mitochondrial proteins

All mitochondrial proteins are imported from the cytoplasm

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

Enzymes

Ribosomes

DNA

All of these

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Which of the following statements about the outer mitochondrial membrane is not true?

The outer membrane contains porins

The outer membrane is about 50% lipid and 50% protein by weight

The outer membrane is highly permeable to substances of small molecular weight

The outer membrane is impermeable to hydrogen ions

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YOUR ANSWER : ?

If the ester bonds of a triacylglycerol molecule's are broken then the kind of molecule, which would be soluble in water, is

fatty acid

steroid

glycogen

glycerol

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YOUR ANSWER : ?