Question 1

A ___ contains polar and nonpolar ends, forming the plasma membrane.

Accepted Answer

phospholipid bilayer

Answer

cytoskeleton

Answer

microtubule

Answer

transport protein

Question 2

What does this depict?

Accepted Answer

fluid mosaic model

Answer

impermeable membrane

Answer

cytoskeleton

Answer

genetic material

Question 3

What critical function does cholesterol serve in the body?

Accepted Answer

increases the fluidity of plasma membrane

Answer

binds the fatty acid tails to water

Answer

destroys the plasma membrane

Answer

disrupts homeostasis

Question 4

What moves needed substances or waste materials through the plasma membrane?

Accepted Answer

transport proteins

Answer

water molecules

Answer

polar heads

Answer

Question 5

What is the function of a selectively permeable membrane?

Accepted Answer

controls what enters and leaves the cell

Answer

blocks all water from entering the cell

Answer

prevents transport proteins from harming the cell

Answer

provides an alternative to phospholipid bilayer

Question 6

Match the following terms and definitions.

Question 7

Write and label the chemical equation for photosynthesis.

Accepted Answer

$E_0+6\mathrm{H}_2\mathrm{O}+6\mathrm{C}\mathrm{O}_2\ \ \longrightarrow\ \ \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6+6\mathrm{O}_2$

Question 8

Write the chemical equation for cellular respiration.

Accepted Answer

$E_0+6\mathrm{H}_2\mathrm{O}+6\mathrm{C}\mathrm{O}_2\ \ \longrightarrow\ \ \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6+6\mathrm{O}_2$

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