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