PLANT STRUCTURE QUIZ

Which part of a plant contains the male sex cell?

Style

Pollen

Ova

Stamen

TRUE ANSWER : ?
YOUR ANSWER : ?

The cell membrane is made up of

phosphoproteins

phospholipids

cellulose

lipoproteins

TRUE ANSWER : ?
YOUR ANSWER : ?

Any system that is not at equilibrium

is thermodynamically unstable, although it may be kinetically stable

is rushing toward equilibrium at a very rapid rate

is kinetically unstable, although it may be thermodynamically stable

requires an enzyme to reach equilibrium

TRUE ANSWER : ?
YOUR ANSWER : ?

Which cell type is likely to have the most mitochondria?

Fast-twitch muscle

Adipose cells

Liver cells

Slow-twitch muscle

TRUE ANSWER : ?
YOUR ANSWER : ?

Mitochondria can be expected most numerous in

none of these

green cells

red blood cells

muscle cells

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Carnitine

Malonyl-CoA

Dolichol

Acetyl-CoA

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

The outer membrane contains porins

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

The outer membrane is impermeable to hydrogen ions

TRUE ANSWER : ?
YOUR ANSWER : ?

The fluid matrix of a cell is called the

nucleus

cytoskeleton

cytosol

endoplasmic reticulum

TRUE ANSWER : ?
YOUR ANSWER : ?

The composition of the inner mitochondrial membrane is most like that of

the cell's plasma membrane

the nuclear membrane

some bacterial plasma membranes

the outer mitochondrial membrane

TRUE ANSWER : ?
YOUR ANSWER : ?

Tonoplast is a membrane around

mitochondria

vacuole

cytoplasm

nucleus

TRUE ANSWER : ?
YOUR ANSWER : ?