Test 1 Flashcards
(36 cards)
Properties of Life
Ordered, homeostasis, evolutionary adaption, reproduction, growth, response to environment, energy utilizer
Emergent Properties
New properties that arise with every step up in hierarchy of life, as complexities increase
Eukaryotic cells
Membrane bound organelles
Prokaryote
Bacteria archae
Negative feedback
Product of a process slows the process
Positive feedback
Product that speeds up process
Controlled experiment
Experiment compares experimental with control, only differ in factor being tested.
Matter
Anything that takes up space and has mass
Element
Any substance that cannot be broken down by chemical reactions
Compound
Substance with two or more different elements
4 elements that make up 96% of living matter
Carbon, oxygen, hydrogen, nitrogen
Essential elements
Element needed for organism to survive
Trace element
Needed for life but only in small amounts
Isotope
Diff number of neutrons
Van der waals
Weak attraction between molecules bc partial charges
Hydrocarbon
Molecule with only hydrogen and carbon
Isomers
Diff structures
Functional group
Specific configurations of atoms
Hydroxyl
Soluble in water
Carbonyl
Ketone or aldehydes
Carboxyl
Acts as acid
Amino
Acts as base, picks up H+
Sulihydryl
Cross link to stabilize protein structure
Phosphate
Gives neg charge