Biology Section 2.4 - Homeostasis and Cell Transport

Maintaining internal stable conditions is the definition of...

• Hypertonic

• Hypotonic

• Homeostasis

• Heterotroph

Tags

NGSS.HS-LS1-3

Water diffusing with the concentration gradient from high water concentration to low water concentration across a cell membrane is....

• Facilitated Diffusion
• Simple Diffusion
• Active Transport
• Osmosis

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

Molecules diffusing with the concentration gradient through a protein channel is...

• Facilitated Diffusion
• Simple Diffusion
• Active Transport
• Osmosis

Food is moved into the cell by ________________________.

• endocytosis
• diffusion
• exocytosis
• osmosis

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

• vacuole
• nucleus
• cell membrane
• cell wall

Tags

NGSS.HS-LS1-3

A cell in an isotonic solution will

• swell
• shrink
• stay the same size
• impossible to tell

Movement of particles from high to low concentration. 

• Passive Transport
• Active Transport