Cell Organelles and Transport

Which of the following is a function of the cell membrane?

• regulates which materials enter and leave the cell

• breaks down lipids, carbohydrates, and proteins from foods

• transports materials in the cell

• supports the cell wall

Tags

NGSS.MS-LS1-2

Diffusion occurs because molecules constantly move and collide with one another.

• True

• False

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes

• the water to go IN to the cell.

• the water to go OUT of the cell.

• the water will not move.

• the water will flow both IN and OUT of the cell.

Tags

NGSS.HS-LS1-3

The cells of multicellular organisms are NOT specialized to perform particular functions.

• True

• False

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-2

NGSS.HS-LS1-4

Water is lost from the body by each of the following EXCEPT

• sweating.

• urinating.

• respiration.

• eating.

Tags

NGSS.HS-LS1-3

One important organelle that helps maintain homeostasis by moving supplies from one part of the cell to the other is the

Tags

NGSS.MS-LS1-2

What is structure 3 used for?

• to package proteins so they can be stored by the cell.

• to transport material from one part of the cell to the other.

• as a receptor.

• to produce energy.

Structure 1 is the ENOPLASMIC RETICULUM.

• True

• False

As a result of diffusion, the concentration of many types of substances

• Become IMBALANCED on both sides of the membrane.

• Become BALANCED on both sides of the membrane.

Diffusion takes place

• From an area of LOW concentration to HIGH concentration

• From an area of HIGH concentration to LOW concentration

• From an area of LOW concentration to LOW concentration

• From an area of HIGH concentration to HIGH concentration