7.1 - The Discovery of Cells

The basic units of living organisms

• cells

• tissues

• organs

• blood

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

device using a series of lenses to magnify objects in steps. Can magnify up to 1500 times

• scanning electron microscope

• transmission electron microscope

• compound light microscope

• simple microscope

Uses a beam of electrons to magnify structures up to 500,000 times. Can only view the surface of structures.

• compound light microscope

• scanning electron microscope

• transmission electron microscope

• simple light microscope

Microscope that can magnify images up to 500,000 x's and can view organelles and molecules by using a beam of electrons

• simple light microscope

• compound light microscope

• scanning electron microscope

• transmission electron microscope

Scientist who used a compound light microscope to view cork bark and is credited with the term "cells"

• Anton van Leewonhoek

• Robert Hooke

• Matthias Schleiden

• Theodor Schwann

Scientist credited with the idea that all plants were composed of cells.

• Anton von Leewonhoek

• Robert Hooke

• Mathias Schleiden

• Theodor Schwann

Scientist credited with the idea that all animals were composed of cells.

• Anton von Leewonhoek

• Robert Hooke

• Mathias Schleiden

• Theodor Schwann

Specialized structures inside a cell that perform specific functions.

• organelles

• prokaryotes

• eukaryotes

• nucleus

Cells that do not have a membrane around their genetic material (DNA) or any membrane-bound organelles

• eukaryotes

• prokaryotes

• karyotypes

• monozygotes