Introduction to Cells

Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

• cell membrane
• cytoplasm
• nucleus
• vacuole

Tags

NGSS.MS-LS1-2

What is one basic function of the vacuoles?

• circulating oxygen
• producing food
• controlling cell processes
• storing water

Tags

NGSS.MS-LS1-2

What is the function of a cell wall?

• to protect and support the 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

The cell wall is found only in plant cells

• True

• False

What is one way in which all living things on Earth are alike?

• All living things have hair.

• All living things are made of cells.

• The cells of all living things have chloroplast.

• All living things can move.

Tags

NGSS.MS-LS1-1

A jelly-like fluid that fills all the empty space in the cell, giving it shape and keeping everything in place.

• chromatin

• cytoplasm

• nucleus

• nucleoplasm

A cell is...

• the basic unit of structure and function in living organism
• an organism
• a basic part of everything that we see
• found only in animals, not plants

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

This is the "brain" of what controls all the activities of the cells. It holds the cell's DNA.

• Mitochondria

• Cell membrane

• nucleus

• nucleus membrane

What did Anton Van Leeuwenhoek discover while looking at his teeth scrapings under a microscope?

• fungi

• protists

• bacteria

• trees

What did Robert Hooke discover while looking at cork under a microscope?

• cells

• tissue

• organs

• organelles