Cell Homeostasis

Molecules move in and out of a cell by diffusion. The picture shows a cell and molecules both inside and outside the cell. How will the molecules in this illustration move as a result of diffusion?

• into the cell

• out of the cell

• into another cell

• to the external environment

Tags

NGSS.MS-LS2-3

Cell membranes are semi-permeable because they allow only certain particles to cross into or out of the cell.

• True

• False

Tags

NGSS.MS-LS1-2

The movement of particles across a cell membrane without the use of energy by the cell is called?

• Active Transport

• Passive Transport

• Endocytosis

• Exocytosis

______ is the movement of molecules from high concentrations to low concentrations.

• Diffusion

• Endocytosis

• Exocytosis

• Osmosis

_____ is the diffusion of water through a semi-permeable membrane.

• Diffusion

• Endocytosis

• Exocytosis

• Osmosis

The movement of materials across the cell membrane from areas of low concentration into areas of higher concentration and requires the cell to use energy.

• Passive Transport

• Active Transport

• Osmosis

• Diffusion

Diffusion and osmosis are what type of transport?

• Active transport

• Passive transport

Endocytosis and exocytosis are forms of active transport?

• True

• False

Tags

NGSS.HS-LS2-3

Even when it is cold outside, the human body maintains an internal temperature of 37 degrees Celsius. Which term describes the maintenance of a stable internal condition?

• endocytosis

• homeostasis

• mitosis

• photosynthesis

Tags

NGSS.HS-LS1-3

How does the cell membrane help maintain homeostasis?

• By providing a circular structure for all cells

• By making proteins to provide the cell with energy

• By regulating the transport in and out of the cell

• By storing food as a future energy for the cell

Tags

NGSS.MS-LS1-2