polymer of nucleotides..store and process information that regulate the synthsis of protiens and make up the genetic material in cells (CARBON, HYDROGEN OXYGEN,NITROGENS and PHOSHOUs
a Nucleic Acid consisting of a double chain of nucleotides that contain, sugar, adenine, guanine, cytosine and thymine
a Nucleic Acid -single chain of nucleotides
proteins associated with DNA of nucleus, the DNA strand are wound around them
a cell membrane
indicated by concentration hydrogen ions it contains
releases hydrogen ions
removes hydrogen ions from solution..
coumpounds that stabilizes that PH of a solution by removing/releasing hydrogen ions
organic compound containing carbon, hydrogen and oxygen in a ratio of 1:2:1
include fats, oils and waxes: most are water insolluable. fatty acids eicosanoids, glycerides, steroids and phosholipids and gycolipids.
perform a variety of functions...they are a chain of amino acids proteins are polypetides containing over 100 amino acids...
organic compound The key elements are carbon, hydrogen, oxygen, and nitrogen
ions with a positive charge
ions with a negative charge
chemical bond that shares electrons
molecular bond created by the attraction between ions of opposite charge .
electrons of an atom that participate in the formation of chemical bonds
reside in the nucleus of an atom neutral charge
reside in the nucleus of an atom - positive charge
orbits protons of nuclueus...NEGATIVE CARGE
smallest unit of matter
atoms of the same element containing same # of protons but different # of neutrons (thus different atomic weight)
pure substance ...atoms of only one kind
Lines walls of internal cavities...
Lines walls of digestive, respiratory, reproduction, and urinary..tracts
body's ability to maintain stable environment
intracellualr structures that performs a specific function or group of functions
cellualr organelle that contains DNA, RNA and proteins, in the CNA a mass of Grey Matter
Network of microtubes and micorfilament in the cytoplasm
organelle stacks of flattened membranes (cisternae) containing chambers.. function storage, alteration, and packagin gof secretory products and lysosomes (secreatory vesicles)
network of membranous channels in the cytoplasm of a cell that function in intracelluar transport, sythesis storage pacaging ad secretion
intracelluar vesicle containing digestive enzymes/removes damaged organelles or pathogens
double membrane with inner membrane folds (cristae) enclusing important metabolic enzymes.. function: to produce 95% of ATP required by the CELL
modifies and packages newly synthesized proteins
synthesizes lipids and carbohydrates..
organelle composed of 9 microtubes (3 in each group) function in Mitosis or Meiosis by organizing the spindle apparatus
the encoding of genetic instructions of a strand of mRNA
the process of peptide formation from the instructions carried by an mRNA strand
characteristic cellular specialization
division of a single cell nucleus that produces 2 indentical daughter nuclei
cytoplasmic movement that separates 2 daughter cells at the completion of Mitosis..