4.1.3.3 active transport

Question 1

Active transport moves substances from a more.. to a ..

Answer 1

Dilute solution to a more concentrated solution. This is against the concentration gradient

Question 2

Describe the net movement for active transport

Answer 2

From low to high concentration

Question 3

Which of the types of cell movement require energy from respiration

Answer 3

Active transport

Question 4

Describe how plants use active transport.

Answer 4

Active transport allows mineral ions to be absorbed into plant root hairs from very dilute solution in the soil. Plants require ions for healthy growth.

Question 5

Describe how active transport is used in the human body.

Answer 5

It allows sugar molecules to be absorbed from lower concentrations in the gut into the blood which has a higher sugar concentration. Sugar molecules, used for cell respiration.

Question 6

Define what passive means

Answer 6

It doesn’t require energy

Question 7

State which of the cell transports are passive and which aren’t

Answer 7

Active transport - passive
Osmosis, diffusion - are not passive