• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/7

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

7 Cards in this Set

  • Front
  • Back
Anton van Leeuwenhoek
1600’s.

First to use a microscope to study nature.

Saw microorganisms in pond water.
Robert Hooke
Mid 1600’s.
First to look a plant (cork) under a microscope.
First to see and name “cells”.
The Cell Theory
All living are composed of cells.

Cells are the basic units of structured & function in living things.

New cells are produced from existing cells.
Basic Cell Structures
Cell Membrane: thin, flexible barrier around the cell
Cell Wall: strong layer some cells have around their cells have around their cell membrane
Nucleus: a large structure some cells have that contain genetic material & control cellular activities
Cytoplasm: everything
Two Main Divisions of Cells
Prokaryotic Cells

Eukaryotic Cells
Prokaryotic Cells
Small & simple

Have cell membrane & cytoplasm

No nucleus or organelles

Most bacteria are prokaryotic
Eukaryotic Cells
Large & more complex

Have cell membrane & cytoplasm