Transport Quiz Review

Active transport involves moving substances across the cell membrane

• A. osmotically

• B. passively

• down the concentration gradient

• against the concentration gradient

In passive transport, molecules move from an area of concentration

• A. water, salt

• B. low, high

• active, passive

• high, low

Which is true about active transport?

• A. It requires energy

• B. It moves substances down the concentration gradient

• C. It does not require energy

• D. It moves material from high to low concentration

In pure water, a red blood cell from an animal will swell and burst, but a leaf cell from a plant will not. Which structure in the leaf cell is responsible for this difference?

• cell membrane

• mitochondrion

• cell wall

• nucleus

This cell structure helps organisms maintain homeostasis by controlling what substances may enter or leave cells.

• A. vacuole

• B. cell membrane

• C. nucleus

• D. cell wall

Name the molecule that stores energy in cells, and identify a cellular process that the molecule would provide energy for.

• ATP, active transport

• ATP, diffusion

• ADP, passive transport

• ADP, osmosis

The picture above is an example of...

• diffusion

• passive transport

• active transport

• osmosis

Which structure above is labeled 'T'?

• channel protein

• phospholipid bilayer

• carbohydrate chain

• hydrophilic head

• hydrophobic tail

Which structure above is labeled 'S'?

• channel protein

• phospholipid bilayer

• carbohydrate chain

• hydrophilic head

• hydrophobic tail

Which structure above is labeled 'Q'?

• channel protein

• phospholipid bilayer

• carbohydrate chain

• hydrophilic head

• hydrophobic tail