ACTIVE TRANSPORT

Question 1

What is active transport?

Answer 1

The movement of particles from a region of 𝘭𝘰𝘸𝘦𝘳 𝘤𝘰𝘯𝘤 to a region of 𝗵𝗶𝗴𝗵𝗲𝗿 𝗰𝗼𝗻𝗰 𝗧𝗛𝗥𝗢𝗨𝗚𝗛 𝗔 𝗖𝗘𝗟𝗟 𝗠𝗘𝗠𝗕𝗥𝗔𝗡𝗘 using energy from respiration.

Question 2

Why is energy required in active transportation?

Answer 2

Particles are moving against the natural concentration gradient

Question 3

Give an example of a process which uses active transport.

Answer 3

The uptake of IONS from soil water by RHC’s in plants

Question 4

Explain the process of active transport

Answer 4

Ⓒⓐⓡⓡⓘⓔⓡ ⓟⓡⓞⓣⓔⓘⓝⓢ EMBEDDED in the cell membrane

pick up SPECIFIC molecules and transport them THROUGH the cell membrane

AGAINST their conc gradient

using energy from resp

Question 5

Why does active transport need energy? What does it do?

Answer 5

Energy from respiration gives the substances

= the KINETIC ENERGY needed to CHANGE SHAPE/move through the cell membrane