Vocab Quiz 12# Flashcards
the max extent of a vibration or oscillation, measured from the position of the equilibrium
amplitude
SI unit of frequency, one cycle per second
hertz
diminution in the density of smth, mostly an air or a gas
rarefraction
a change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
diffraction
the bending of a wave as the wave passes between two substances in which the speed of the wave differs
refraction
organism that makes its own food from surrounding energy
producer
organism that eats other organisms
consumer
organic compound containing carboxyl and amino
amino acids
molecule that acts as the main energy source for cell processes (needed for a cell to work)
ATP
and organism made up of cells that have a nucleus enclosed in a membrane
eukaryote
organism that consists of a single cell that doesn’t have a nucleus
prokaryote
movement of particles from areas of high density and compression to areas of low density and compression
diffusion
having two different alleles of a particular gene or genes.
heterozygous
having two identical alleles of a particular gene or genes.
homozygous
the type of tissue in vascular plants that provides support and conducts water and nutrients from the roots
xylem
the vascular tissue in charge of transport and distribution of the organic nutrients.
phloem
a woody, vascular seed plant whose seeds are not enclosed by an ovary or fruit
gymnosperm
a flowering plant that produces seeds within a fruit
angiosperm
a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentrations on each side of the membrane
osmosis
an insoluble substance which is the main constituent of plant cell walls and of vegetable fibers such as cotton. It is a polysaccharide consisting of chains of glucose monomers.
cellulose
