Cell Transport

When a cell brings material inside it using a vesicle, we call that _______.

• passive transport
• endocytosis
• exocytosis
• osmosis

What term describes the relatively constant internal conditions of an organism or maintaining balance?

• specialization
• organ system
• unicellularity
• homeostasis

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

• controls the movement of materials in and out of a cell

• breaks down lipids, proteins, and carbohydrates from food
• keeps the cell wall in place
• stores food and water

What type of transport requires energy from the cell?

• diffusion
• facilitated diffusion
• active transport
• osmosis

In active transport, particles move from areas of ____ concentration to areas of ____ concentration.

• low, high
• high, low
• equal, equal
• high, high

Endocytosis and exocytosis are types of _______ transport.

• active
• passive
• diffusion
• homeostasis

Active transport moves ______.

• large molecules
• large amounts of small molecules
• both large molecules and large amounts of small molecules
• small molecules only

Going against the concentration gradient means to go low concentration to high concentration.

• True
• False

Selective permeability means ______.

• everything passes through the cell membrane
• nothing passes through the cell membrane
• some things pass through the membrane and others do not
• all of these answers

If a cell has 80% water and it sits in a solution of 90% water, water will move ______ the cell.

• into
• out of
• none of these answers