Membranes

Which of these statements about serous membranes is NOT correct?

• Serous membranes line dorsal cavities.

• Serous membranes consist of 2 layers.

• There are 3 different serous membranes.

• Serous membranes secrete fluid that helps reduce friction between organs.

Pleura is

• a cavity that contains lungs

• is found in dorsal cavity

• a serous membrane around lungs

• is also called peritoneum

Visceral layer is

• the inner layer of meninges

• the outer layer of meninges

• the inner layer of serous membrane

• the outer layer of serous membrane

Visceral peritoneum

• lines the walls of the abdominopelvic cavity

• surrounds the lungs

• is in contact with organs such stomach, liver, etc.

• is a middle layer of meninges

What is the main component of the cell membrane?

• Proteins

• Nucleic acids

• Phospholipids

• Carbohydrates

Tags

DOK Level 1: Recall

Which process describes the movement of water across a cell membrane from an area of low solute concentration to an area of high solute concentration?

• Osmosis

• Diffusion

• Active transport

• Endocytosis

Plasma membranes are selectively permeable. This means

• anything can pass in and out

• the membrane regulates the passage of the material in and out of the cell

• glucose cannot enter the cell

• cholesterol cannot enter

Which one is the hydrophilic (water-loving) portion of the plasma membrane that can mix with water?

• A

• B

Which one is the hydrophobic (water-fearing) portion of the plasma membrane that can't mix with water?

• A

• B

Components found in the cell membrane or plasma membrane

Select ALL that APPLY

• carbohydrates

• lipids

• proteins

• DNA

• Water