Cells and Cellular Transport

A double layer of phospholipids that surrounds a cell and separates the cytoplasm from it's external environment is?

• enzyme layer
• cytoplasm
• protein layer
• cell membrane

Simple and Facilitated diffusion are powered by an unequal concentration gradient of high to low.

• True
• False

Endocytosis and exocytosis are a form of active transport and require NO energy.

• True
• False

The movement of molecules through a semi-permeable membrane from an area of higher concentration to an area of lower concentration

• active transport
• diffusion
• endocytosis
• phagocytosis

The movement of water across a membrane is?

• active transport
• diffusion
• osmosis
• facilitated diffusion

The process in which a cell moves particles against the concentration gradient from a region of lesser concentration to a region of greater concentration is called

• active transport
• passive transport
• endocytosis
• exocytosis

The double membrane organelle responsible for producing the compound ATP used as energy by cells.

• vesicle
• golgi apparatus
• mitochondria
• osmosis

Tags

NGSS.HS-LS1-7

Identify the following photos as red blood cells in hypertonic, hypotonic, or isotonic solutions.

• hypertonic, hypotonic, isotonic
• hypotonic, hypertonic, isotonic
• isotonic, hypertonic, hypotonic
• hypotonic, isotonic, hypertonic

Explain why you cannot place a freshwater fish in saltwater by answering the following questions: Which has a higher concentration of salt - the fish or the water? In which direction will the water move and why?

Tags

NGSS.HS-LS1-3

Active transport requires this passive transport does not

• osmosis
• energy
• lipids
• solutions