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biology

chapter 2

QuestionAnswer
positively charged particles found in the nucleus of an atom protons
negatively charged particles found in orbits around the atom electrons
particles that have no charge, found in the nucleus of an atom neutron
pure substance that cannot be broken down into other substances elements
a pure substance formed when two or more differnt elements combine compound
study of organic compounds organic chemistry
compounds containing carbon organic compounds
large molecules that are formed by joining smaller organic molecules toegther macromolecules
compunds of carbon, hydrogen, and ocygen ina ratio of one oxygen and two hydrogen atoms for each carbon atom CH2O carbohydrates
molecules made mostly of carbon and hydrogen lipids
compound made of small carbon compunds called amino acids proteins
complex macromolecules that store and transmit genetic information nucleic acids
contains the ocular lens eyepiece
holds the high and low power objective lenses; can be rotated to change magnification nosepiece
magnification ranges from 10x to 40x objective lenses
holds the slide in place stage clips
supports the slide being viewed stage
projects light upwards through the diaphragm, the specimen and the lenses light source
used to support the microscope when carried arm
moves the stage up and down for focusing coarse adjustment knob
moves the stage slightly to sharpen the image fine adjustment knob
regulates the amount of light on the specimen diaphragm
spports the microscope base
sugars you eat carbohydrates
a carbohydrate that gives plants their strong support cellulose
fats and oils lipids
cellular membranes made are made of fats called phospholipids
the buliding blocks of proteins amino acids
small compunds that are made of carbon, nitrogen, oxygen, and hydrogen. amino acids
the buliding blocks of nucleic acids nueleotides
Created by: cait
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