The smallest unit of life
What is a cell
the basic unit of matter
what is an atom
a mixture of one or more solutes dissolved in a solvent
what is a solution
this means large
what is macro
Contains 2 monosaccharides that join through a dehydration reaction
What are Disaccharides
the sum of chemical reactions in a living organism
what is metabolism
the three subatomic particles (Name all three)
what are Protons, Neutrons, Electrons
the measure of H+ ion concentration in a solution
what is pH
the four main macromolecules (name all 4)
what is lipid, carbohydrate, protein, nucleic acid
This polysaccharide creates sugar to store for later
what is starch
another form of genetic material
what is DNA
this happens when atoms share electrons
what is a covalent bond
what is the pH scale
this atom can make 4 bonds
what is carbon
this hexose sugar is found in our blood
what is glucose
Organisms that have beneficial adaptations that do better are specified as this
what is natural selection
this is formed when atoms are transferred from one atom to another
what is an ionic bond
the ability to maintain a constant pH by encountering extra H+ and OH- ions
what is a buffer
this is not considered a polymer
what are lipids
found in cell walls which helps account for the strong nature of these walls
what is cellulose
Living organisms maintain this balance in internal environment
what is homeostasis
the smallest unit of a compound
what is a molecule
requires a specific pH in order to facilitate reactions
what are enzymes
single sugared molecules are called this
what is monosaccharides
universally used as an energy source for living organisms
what are carbohydrates