Unit 3 Chapter 9 Cell Structure and Function

What is the function of an organelle?

• To provide energy

• To perform specific tasks within a cell

• To transport oxygen

• To protect the cell

What does it mean to say that a cell membrane is semipermeable?

• It allows all substances to pass through

• It blocks all substances

• It allows certain substances to pass through

• It dissolves in water

What organelle do many ribosomes attach themselves to?

• Nucleus

• Golgi apparatus

• Endoplasmic reticulum

• Mitochondria

Which organelles transport waste outside the cell?

• Lysosomes and Cytoplasm

• Ribosomes and Golgi Apparatus

• Vacuoles and Endoplasmic Reticulum

• Golgi apparatus and Endoplasmic Reticulum

How do lysosomes break down various materials?

• By using enzymes

• By using acids

• By using water

• By using heat

What is the function of the mitochondria?

• To store nutrients

• To produce energy

• To synthesize proteins

• To transport materials

What role does the nucleus play in the cell?

• It stores waste

• It controls cell activities

• It produces proteins

• It transports nutrients

What substance reads the instructions that the DNA contains?

• RNA

• Proteins

• Lipids

• Carbohydrates

What organelle allows plants to create their glucose?

• Mitochondria

• Chloroplast

• Nucleus

• Ribosome