The smallest unit of life is a(n)

• organelle

• cell

• nucleus

• atom

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Who used an early microscope and was the first person to use the word 'cell' to describe what he saw?

• Robert Hooke

• Isaac Newton

• Anton van Leeuwenhoek

• Matthias Schleiden

Tags

NGSS.MS-LS1-1

Who used an early microscope and was the first person to observe microorganisms like bacteria?

• Robert Hooke

• Isaac Newton

• Anton van Leeuwenhoek

• Matthias Schleiden

The cells in the image have chloroplasts and a cell wall, so they are

• eukaryotes - animal cells

• eukaryotes - plant cells

• prokaryotes - bacteria cells

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

The cells in the image have a nucleus and organelles, but no cell wall - so they are

• eukaryotes - animal cells

• eukaryotes - plant cells

• prokaryotes - bacteria cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which type of cells do not have a nucleus or membrane-bound organelles?

• prokaryotes

• eukaryotes

• all cells

Which type of cells have a nucleus and membrane-bound organelles?

• prokaryotes

• eukaryotes

• all cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which type of cells have their DNA contained in a nucleus?

• prokaryotes

• eukaryotes

• all cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

All cells have (check all that apply)

• nucleus

• cytoplasm

• DNA

• ribosomes

• cell membrane

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

An organized or specialized structure within a cell is called a(n)

• organelle

• cell

• molecule

• organ

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2