Cell Structures & Functions

A ________ is a membrane-bound sac found in cells that contains digestive enzymes which break down complex molecules or structures.

• mitochondrion

• vacuole

• chloroplast

• lysosome

Tags

NGSS.MS-LS1-7

A ________ is a rigid layer that surrounds a plant cell, providing structural support.

• cell membrane

• chloroplast

• cell wall

• nucleus

Which cell organelle is where proteins are made?

• nucleus

• vacuole

• mitochondrion

• ribosome

Tags

NGSS.MS-LS1-2

Which of the following is a substance that is found between the cell membrane and the nucleus, which primarily consists of water and holds organelles?

• cytoplasm

• chloroplast

• mitochondria

• cell membrane

Tags

NGSS.MS-LS1-2

Both animal and plant cells are eukaryotic cells. What is the difference between animal and plant cells?

• Animal cells have nuclei and ribosomes, while plant cells do not.

• Plant cells have cell walls and chloroplasts, while animal cells do not.

• Animal cells have cell walls and vacuoles, while plant cells do not.

• Plant cells have nuclei and mitochondria, while animal cells do not.

Every cell contains certain structures that perform specialized functions for the cell. What are these structures called?

• organelles

• tissues

• cells

• organs

Tags

NGSS.MS-LS1-2

Every cell is surrounded by a thin membrane. What is the main function of this cell membrane?

• to separate the inside of the cell from the outside environment

• to allow each cell to form connections with other cells

• to limit the size of the cell and keep the shape of the cell the same

• to protect the cell from invasion by bacteria and viruses

Tags

NGSS.MS-LS1-2

Which of the following is true about cells?

• A cell has a single component that performs all of the cell's different, specific functions.

• Cells have specialized components that perform different, specific functions.

• A cell's components are all identical and perform the same function.

• Cells have specialized components that all perform the same functions.

Tags

NGSS.MS-LS1-2

What is structure 2, and how does it help sustain life?

• Structure 2 is the nucleus, which serves as the control center of the cell.

• Structure 2 is the cytoplasm, which contains organelles and is the site of many cell processes.

• Structure 2 is a chloroplast, which is the site of photosynthesis.

• Structure 2 is the cell membrane, which controls what enters and leaves the cell.

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

In animal cells, _______ are important for cell division and reproduction because they organize the spindle upon which the cell's chromosomes are pulled apart.

• vacuoles

• ribosomes

• lysosomes

• centrioles

Tags

NGSS.HS-LS1-4