Unit 2

What is the function of chloroplasts?

• Directs proteins during protein synthesis to their final destination.

• Contains nearly all the cell’s DNA, and with it, the coded instructions for making proteins and other important molecules.

• To store water and maintain the cell's rigidity.

• Converts energy from the sun into food energy to be stored by the cell.

Which organelle's function is to regulate what enters and leaves the cell? It also protects and supports the cell.

• Cell Membrane

• Mitochondria

• Vacuoles

• Golgi Apparatus

Which organelle is known as the strong supporting layer for plant cells and prokaryotes?

• Chloroplast

• Cell Wall

• Ribosomes

• Cell Membrane

The diffusion of particles through protein doorways in the cell membrane is called _______ transport.

• Passive

• Active

The movement of particles through proteins in the cell membrane against the direction of diffusion is called _______ transport.

• Passive

• Active

The diffusion of water across a cell membrane is called ________.

• Water transport

• Endocytosis

• Osmosis

• Exocytosis

The process used to remove very large particles from a cell is called _______.

• Endocytosis

• Osmosis

• Exocytosis

• Synthesis

The process in which a cell membrane surrounds a very large particle, encloses it in a vesicle, and brings it into the cell is called _______.

• Endocytosis

• Exocytosis

• Diffusion

• Facilitated Diffusion

Which of the following is not a type of active transport?

• Osmosis

• Endocytosis

• Exocytosis

• Membrane Pumps

Cells will _____ in a hypertonic solution.

• Swell

• Shrink

• Stay the same