Cells and Cell Transport

Which statement is false about passive transport?

• It requires energy

• It moves molecules from an area of high concentration to low concentration

• It moves small molecules

• It does not require energy

Which organelle is referred to as the powerhouse of the cell?

• nucleus

• mitochondria

• ribosome

• vacuole

What is a common characteristic of all living cells?

• contain chlorophyll

• release energy from nutrients

• have reproductive tissues

• produce their own food

What is the process called where small molecules move freely through the membrane without the use of energy?

• Active transport

• Passive transport

• Equilibrium

• Endocytosis

During cellular respiration, which substance is produced as a byproduct?

• Oxygen

• Carbon dioxide

• Sugar

• Vitamins

Which process requires cellular energy to transport particles across a membrane?

• Osmosis

• Passive diffusion

• Active transport

• Equilibrium

What is the term for the movement of water through a membrane?

• Exocytosis

• Endocytosis

• Osmosis

• Active transport

Which example best illustrates a selectively permeable structure?

• A Door

• A Window screen

• A Wall

• A Mirror

Which of the following are considered types of passive transport?

• Diffusion and active transport

• Diffusion and exocytosis

• Exocytosis and endocytosis

• Diffusion and osmosis

What are the products of photosynthesis?

• carbon dioxide and water

• oxygen and water

• carbon dioxide and sugars

• oxygen and sugars