Cell Membrane Function and Cell Transport

Which of the following structures serves as the cell’s boundary from its environment?

• mitochondrion
• cell membrane
• chloroplast
• channel protein

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

• breaks down lipids, carbohydrates, and proteins from foods
• stores water, salt, proteins, and carbohydrates
• keeps the cell wall in place
• regulates the movement of materials into and out of the cell

Tags

NGSS.MS-LS1-2

The diffusion of water across a selectively permeable membrane is called

• osmotic pressure.
• osmosis.
• pinocytosis.
• active transport.

Which means of particle transport requires input of energy from the cell?

• diffusion
• osmosis
• facilitated diffusion
• active transport

Joy took the notes shown below while learning about cells.
• Forms boundary between a cell and the outside environment
• Controls the movement of materials into and out of the cell
• Consists of double layer of phospholipids.
She forgot to write the name of the cell structure that her class was studying that day. What structure is described in her notes?

• endoplasmic reticulum
• cell membrane
• cell wall
• nucleus

Tags

NGSS.MS-LS1-2

The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called

• perforated
• non-conductive
• semi-permeable
• permeable

Which type of transport requires an input of energy?

• Passive Transport
• Osmosis
• Simple Diffusion
• Active Transport

Most of the cell membrane is made of...

• Lipids
• Carbohydrates
• Proteins
• Nucleic acids

Hydrophobic region of the cell membrane?

• E
• B
• C
• A 

Hydrophilic means...

• water-loving
• water-fearing
• nonpolar
• lipid soluble

Tags

NGSS.HS-ESS2-5