Exam Questions and CORRECT Answers
Cell - CORRECT ANSWER - structural and functional unit of life
prokaryotic cell - CORRECT ANSWER - does not have an organelle
Eukaryotic cells - CORRECT ANSWER - has organelles
The three domains of life are - CORRECT ANSWER - Bacteria ( unicellular prokaryote),
Archaea (unicellular prokaryote), Eukarya (unicellular & multicellular eukaryotes)
Prokaryotic and Eukaryotic both have - CORRECT ANSWER - cell membrane,
cytoplasm, genetic material (dna)
Energy - CORRECT ANSWER - the ability and capacity to do work
organelles - CORRECT ANSWER - membrane bound structures with specific structures
(ex: nucleus)
Viruses are - CORRECT ANSWER - nonliving
living things respond to a - CORRECT ANSWER - stimulus
Homeostasis - CORRECT ANSWER - to maintain a set point
valence electrons - CORRECT ANSWER - electrons in the outermost shell
, buffer system - CORRECT ANSWER - resist changes in pH (blood)
covalent bond - CORRECT ANSWER - atoms share a pair of electrons (ex; water)
hydrogen bonds - CORRECT ANSWER - when one molecule loosely associates with
another molecule through a weak interaction
ionic bonds - CORRECT ANSWER - when one atom transfers electrons to another (ex;
salt)
3 parts of DNA are - CORRECT ANSWER - phosphate, pentose sugar, and a base
Proteins are made up of - CORRECT ANSWER - amino acids
what happens when you change the shape of an amino acid? - CORRECT ANSWER - you
change the function of it
DNA dictates the order of - CORRECT ANSWER - amino acids
what is the work of the cell? - CORRECT ANSWER - chemical and transport work
functional groups add something to the - CORRECT ANSWER - core compound
Electronegativity - CORRECT ANSWER - one molecule has a greater pull than another
molecule
asymmetrical pull - CORRECT ANSWER - polar molecule (stronger pull)