BIOLOGY 101,
CHAPTER 1-6
EXAM WITH
ACTUAL
SOLUTIONS.
[Document subtitle]
, science - correct ans:a body of knowledge about the natural world
biology - correct ans:field that studies living things
theory - correct ans:a general set of principles, supported by evidence
characteristics of life - correct ans:Obtain energy, respond to environment,
maintain constant internal environment, inherited info, reproduction,
composed of cells, levels of variation, complexity
neutral - correct ans:Atoms are usually electronically ____
atomic mass - correct ans:number of protons plus amount of mass
atomic number - correct ans:number of protons
half-life - correct ans:time required by an element to decay to a more stable
form, reduces by half in this time
covalent bonds - correct ans:formed when atoms share electrons
electronegativity - correct ans:tendency to attract electrons
dipole - correct ans:when one side of a molecule is positively charged but the
other is negatviely charged
hydrogen bond - correct ans:attraction of a partially + charged H atom with a
negatively charged and unpaired electron from another atom
CHAPTER 1-6
EXAM WITH
ACTUAL
SOLUTIONS.
[Document subtitle]
, science - correct ans:a body of knowledge about the natural world
biology - correct ans:field that studies living things
theory - correct ans:a general set of principles, supported by evidence
characteristics of life - correct ans:Obtain energy, respond to environment,
maintain constant internal environment, inherited info, reproduction,
composed of cells, levels of variation, complexity
neutral - correct ans:Atoms are usually electronically ____
atomic mass - correct ans:number of protons plus amount of mass
atomic number - correct ans:number of protons
half-life - correct ans:time required by an element to decay to a more stable
form, reduces by half in this time
covalent bonds - correct ans:formed when atoms share electrons
electronegativity - correct ans:tendency to attract electrons
dipole - correct ans:when one side of a molecule is positively charged but the
other is negatviely charged
hydrogen bond - correct ans:attraction of a partially + charged H atom with a
negatively charged and unpaired electron from another atom