7 Check-In Quiz 3

Hydrophobic molecules are “water fearing.”

• True

• False

Hydrophilic molecules are at the interior of the cell membrane.

• True

• False

The tails of phospholipid molecules in the cell membrane

• 1. are on the outside of the membrane

• 1. “love” water

• 1. are hydrophobic

• all of the above

large organelle that sends proteins and lipids where they need to go

• Golgi apparatus

• vacuole

• mitochondrion

• nucleus

1. The function of the nucleolus is to form_________________.

• proteins

• ribosomes

• lipids

• waste

sac-like organelle used for storage

• centriole

• lysosome

• vesicle

• rough ER

type of organelle found only in plant cells

• central vacuole

• cell walls

• chloroplast

• all of the above

A substance naturally moves from an area of higher to lower concentration.

• diffusion

• transport

• membrane

• water

When there is more water leaving the cell, it means the cell is in a(n) _________ solution.

• isotonic

• hypotonic

• hypertonic

refers to the difference in concentration of water inside and outside the cell.