Study of life
this type of science involves doing research, collecting data, and observing general patterns
discover based science
what is a negatively charged atom
anion
what is the monomer for proteins
amino acids
-OH
what is a hydroxyl group
denatured
t/f a hypothesis is an expected outcome based on background research
false (its a prediction)
how many electrons are required to fill up its second electron shell
8 (4 pairs)
chiten is an example of what polymer
polysaccharide
>C=O
what is a carbonyl group
what is the link of 2 carbon atoms through a phosphate group
phosphodiester linkage
what are the three components to cell theory?
1. all living things has at least one cell
2. cells are the smallest unit of life
3. new cells come from preexisting cells
what defines an element
atomic number / number of protons
what is the structure of a nucleotide. Include what holds it together
phosphate group, five carbon sugar, and a nitrogenous base linked by a sugar-phosphate backbone
-NH2
what is an amino group
what macromolecules are considered amphipathic?
proteins and lipids
t/f no living species directly evolves into another currently living species.
true!
what is a polar covalent molecules
two atoms that unequally share electrons
which type of amino acids can form both ionic or h bonds
charged polar amino acids
what is a phosphate group
what are the two processes considered when we think of energy usage in living things
photosynthesis and metabolism
list 3 properties of life (theres 8)
cellular organization, energy use, interacts with/adapts to environment, maintain homeostasis, develops and reproduces - passes down info between generations, evolutionary history, Structure determines function, complex interactions result in emergent properties
this reaction bonds two atoms by releasing water
what is made up of two or more polypeptides
quaternary structure (multimeric)
-COOH
what is a carboxyl group?
what are the domains of life
archaea, bacteria, and eukarya