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Biology Paper 1: Chapter 1 - Cells And Organisation > Active Transport > Flashcards

Flashcards in Active Transport Deck (6)
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1
Q

Water Often Moves Across the Cell Boundaries by ___________.

A

Osmosis.

2
Q

Two Main Ways in which Dissolved Substances Need to Move In and Out of Cells?

A
  • Substances Move by Diffusion, Down a Concentration Gradient.
  • The Substances Needed By a Cell have to Be Moved Against a Concentration Gradient. This is Called Active Transport.
3
Q

Active Transport Allows Cells to Move Substances From an Area of Low Concentration to an Area of _______ Concentration. This is Against the _____________.

A

High…Gradient…

4
Q

If a Cell Respires a Lot of Energy, it can Carry Out Lots of _________ Transport. Cells Involved in a Lot of Active Transport Usually have many _____________ to Release the Energy they Need.

A

Active…Mitochondria…

5
Q

By Using Active Transport, Plants Can Absorb Mineral Ions, Even Though it’s Against a ________________ Gradient.

A

Concentration.

6
Q

Sugar is Always Actively Absorbed Out of Your Gut and Kidney Tubules Into Your Blood, Often Against a ________ Concentration Gradient.

A

Large.