Cell Transport

What is the difference between active and passive transport?

• Active does not need energy and passive uses ATP (energy)
• Active uses ATP (energy) and passive does not need energy
• Active stores transport proteins and passive releases 
• Active uses hormones and passive does not 

ALL living cells have this in common

• Nucleus
• Cell Membrane
• Cell Wall
• Mitochondria

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Which is true about active transport?

• It requires energy
• It does not require energy
• It moves substances down the concentration gradient
• it moves material from high to low concentration

The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...

• Facilitated Diffusion
• Simple Diffusion
• Active Transport
• Osmosis

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

• vacuole
• nucleus
• cell membrane
• cell wall

What type of transport is illustrated?

• facilitated diffusion
• active transport
• diffusion
• osmosis

The picture is an example of...

• active tranport
• passive transport
• diffusion
• osmosis

The cell membrane is made mostly of

• phospholipid monolayer and proteins
• phospholipid bilayer and proteins
• proteins and carbohydrates bilayer
• triglycerides and carbohydrates

Which type of transport requires an input of energy?

• Passive Transport
• Osmosis
• Simple Diffusion
• Active Transport

Answer explanation

Active transport requires a transport protein that needs an input of energy to move substances mostly against the concentration gradient.