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Biology Exam 1

Exam 1 questions

TermDefinition
Cohesion water clinging to itself
adhesion water clinging to other polar surfaces
solution the liquid that the solid dissolves in water (soup)
solute a solid that dissolves (salt)
Ion positive or negative charged atoms
isotope the number of protons that equal the number of electrons
hydrophilic loves water
hydrophobic hates water
polar atoms shared unequally between atoms
non polar atoms shared equally between atoms
covalent bonds between atoms where the atoms share the electrons
hydrogen a weak bond when with a strong electronegative atom
ionic bonds between ions
protein the building blocks of Amino acids
lipid "monomer"; has glycerol and fatty acids in them
fatty acids long chains of carbon atoms that make up the core of a fat molecule
acid release H+
base release OH-
pH quantitative measure of the acidity or basicity of aqueous or other liquid solutions
qualitative collection of data using your senses
monosaccharide monomer that is an organic molecule
nucleic acids Polymer and has nucleotides
polysaccharide stores energy and is really big (can't easily exit out of cell
nucleotides the basic building blocks of nucleic acids, like DNA and RNA
Amino acids molecules that are combine to form proteins
polypeptide a long chain of Amino acids linked by peptide bonds
dehydration take away water
hydrolysis to cut water
peptide a short chain of Amino acids linked by chemical bonds
phospholipid made up of a phosphate group and 2 fatty acids
adaptation new features that make an animal better suited to its environment
mutation a change in the DNA sequence of a cell (could be + or-)
quantitative collection of data using numbers
Created by: madisonboschert
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