Discovering Cells Looking Inside Cells Chemical Compound in Cells The Cell in it's Environment Parts of Microscope
100
Cells
Form the parts of an organism and carries out all of it's functions
100
Cell Wall
Has a rigid layer that surrounds the cells and other organisms.
100
Element
Any substance that cannot be broken down into simpler substances is a...
100
Selectively Permeable
The cell membrane is ____ which means that some substances can cross the membrane while others cannot
100
Coarse adjustment knob
Large round knob on the side of the microscope used for focusing on the specimen
200
Cell Theory
This was a widely accepted explanation of the relationship between cells and living things
200
Ribosomes
Small grain shaped organelles that produce proteins
200
Compound
This forms when two or more elements combine chemically
200
Passive Transport
The movement of dissolved materials across the cell membrane without using the cells energy is called
200
Diaphragm
Controls the amount of light going through the aperture
300
4x, 10x, 40x
What are the three different lenses of the microscope
300
Cytoplasm
Fills the region between the cell membrane and the nucleus
300
Lipids
These are compounds mostly made of carbon and hydrogen and some oxygen
300
Diffusion
______ is the process by which molecules move from an area of higher concentration to an area of lower concentration
300
Arm
The part of the microscope used to carry it
400
The 1600s
It wasn't until this time period that no one knew cells existed
400
Endoplasmic Reticulum
An organelle with a network of membranes that produces many substances
400
Nucleic Acids
These are very long organic molecules and consist od carbon, oxygen, hydrogen, nitrogen, and phosphorus
400
Endocytosis
The process where the cell membrane changes shape and engulfs the particle.
400
Stage Clips
Shiny, and clips on top of the stage
500
Robert Hooke
This English scientist built his own microscopes and made drawings of what he saw when he looked through them
500
Vacuole
A type of sac that stores water food and other materials
500
Enzymes
These are a group of proteins that speed up chemical reactions in living things.
500
Exocytosis
The opposite process where the cell membrane fuses, pinching off a vacuole within the cell
500
Aperture
The hole in the stage that allows light through for viewing of the specimen






Introduction to Cells

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