Structure and Function End of Unit

Animals are unable to make their own food because their cells lack

• cell membranes

• cytoplasm

• lysosomes

• chloroplasts

Tags

NGSS.MS-LS1-6

A major energy source for most cells is a sugar molecule called

• photosynthesis

• chloroplast

• cellular respiration

• glucose

Tags

NGSS.MS-LS2-3

Cells can use energy to move substances from a lower concentration to an area of higher concentration through

• active transport

• passive transport

• diffusion

• osmosis

The products of cellular respiration are

• glucose, energy (ATP), and oxygen

• oxygen, energy (ATP) , and water

• oxygen, energy (ATP), and carbon dioxide

• carbon dioxide, energy (ATP), and water

Tags

NGSS.MS-LS2-3

What are the smallest units able to perform all life activities?

• tissues

• cells

• organs

• organisms

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

An organelle in an animal cell that breaks down food particles is the

• cytoplasm

• lysosome

• DNA

• ribosome

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

________ is the process by which molecules spread through a gas or liquid in order to reach equilibrium.

• concentration gradient

• osmosis

• diffusion

• endocytosis

Cells use a process called __________ to expel large molecules such as proteins.

• osmosis

• endocytosis

• cellular respiration

• exocytosis

______________ is a cellular process that releases energy.

• photosynthesis

• cellular respiration

• osmosis

• active transport

Tags

NGSS.MS-LS2-3

Which structures release stored energy in both plant and animal cells?

• central vacuoles

• chloroplasts

• mitochondria

• nucleus

Tags

NGSS.HS-LS1-7