Practice: Cell membrane

Which is the protein?

• A
• B
• C
• D

Tags

NGSS.HS-LS1-1

Permeable means

• things can pass through
• the concentration levels are different
• it is permanent
• things are stuck

This image is a model of-

• Flagella

• Nucleus

• Endoplasmic Reticulum

• Cell Membrane

 

What forms the channels (tunnels) and pumps in the phospholipid bilayer?

• proteins

• hydrophilic heads

• lipids

• carbohydrates

What is another term for "selectively permeable"?

• porous
• completely permeable
• permanent
• semipermeable

The function of the plasma membrane is....

• Vesicle with enzymes to digest waste

• Control what is transported into and out of the cell

• Package materials

• Make proteins

Tags

NGSS.HS-LS1-3

Where can carbohydrates be found when part of a plasma membrane?

• On the outside of the membrane

• On the inside of the membrane

• Embedded part of the way into the membrane

• Embedded the whole way through the membrane

• All of the above

Most of the cell membrane is made of...

• Nucleic acids

• Proteins

• Phospholipids

• Carbohydrates

Maintaining a constant internal state in a changing environment.

• Homeostasis
• Active Transport
• Mitosis
• Photosynthesis

Tags

NGSS.HS-LS1-3

The _______________ of the phospholipids in a cell membrane face inward towards each other.

• heads

• tails

• stems

• sticks