Cell Structure and Function

The invention of the microscope made it possible for people to discover

• plants

• skin

• animals

• cells

Which of the following statements is part of the cell theory?

• Only plants are composed of cells

• All cells are produced from other cells

• Cells can be produced from nonliving matter

• Cells are one of several basic units of structure and function

What is the function of the cell wall?

• to protect and support the plant cell

• to perform different functions in each cell

• to prevent water from passing through it

• to prevent oxygen from entering the cell

Tags

NGSS.MS-LS1-2

What is the function of the cell membrane?

• to support the cell

• to perform different functions in each cell

• to control what enters and leaves the cell

• to form a hard outer covering for the cell

Tags

NGSS.MS-LS1-2

Which organelle is the control center of the cell?

• mitochondion

• ribosome

• nucleus

• chloroplasts

Tags

NGSS.MS-LS1-2

Which of the following best describes the function of the mitochondria?

• They produce energy for the cell

• They store energy from food molecules

• They store energy from sunlight

• They produce nucleic acids that release energy

Tags

NGSS.MS-LS1-2

Which organelles store food and other materials needed by the cell?

• mitochondria

• chloroplasts

• ribosomes

• vacuoles

Tags

NGSS.MS-LS1-2

Which organelles release chemicals that break down large food and waste particles into smaller ones?

• endoplasmic reticulum

• golgi bodies

• lysosomes

• vacuoles

Tags

NGSS.MS-LS1-2

Why is water important for a cell?

• Water is the main ingredient in DNA

• All proteins are made of water

• Most chemical reactions in a cell require water

• Water is an essential organic compound for the body

All organic compounds contain the element

• water

• oxygen

• carbon

• nitrogen

Tags

NGSS.HS-LS1-6