BIOLOGY 1001 HRINCEVICH EXAM 1
QUESTIONS & ANSWERS!!
what are the characteristics defining life? - ANSWERacquire and use materials and
energy
maintain organized complexity
respond/sense to stimuli
grow
reproduce
evolve, collectively
Who discovered penicillin - ANSWERFleming
# of protons = - ANSWER# of electrons
Ocean, Ice/Salt, Water Flea - ANSWER1. complex; not organized
2. organized; not complex
3. organized and complex
Tree of life - ANSWERBlue= Bacteria Purple/Middle= Arachaea Red= Eukarya
the three domains - ANSWERBacteria, Archaea, Eukarya
in order, the scientific method - ANSWERobservation
question
hypothesis
prediction
experiment
conclusion
Most common elements in humans - ANSWEROxygen, carbon, hydrogen, nitrogen,
calcium, phosphorus
least complex to most complex; community, population, ecosystem, biosphere,
multicellular organism, species - ANSWERmulticellular organism
population
species
community
ecosystem
biosphere
generalization from observations that support it and no one can contradict it -
ANSWERinductive reasoning
a Hypothese based on a well supported generalization (theory) - ANSWERdeductive
reasoning
, 3 natural processes that cause evolution - ANSWERmutation
inheritance of traits by offspring
natural selection of traits
being able to make your own food - ANSWERAutotroph
Must eat other, can not make your own food - ANSWERHeterotroph
Bacteria - ANSWERProkaryotic; unicellular
Archaea - ANSWERProkaryotic; unicellular
Eukarya - ANSWEREukaryotic; usually multicellular can be uni; fungi, plants,
animals, protists
molecules - ANSWER2 or more atoms from the same or different elements
compound - ANSWERmade of atoms of different elements
electrons are TRANSFERED, creating positive and negative ions that attract one
another - ANSWERIonic bond
Electrons are SHARED between uncharged atoms - ANSWERCovalent Bond
Covalent, single, double, triple bond - ANSWERsingle= H2 double= O2 triple=N2
and H2O
equal sharing - ANSWERnon polar
unequal sharing - ANSWERpolar
acidic, neutral, bases - ANSWERacidic= stomach acid, lemon juice, orange, beer,
neutral= urine, milk, pure water, sweat
base= baking soda, cleaning supply
water and ice organized/unorganized - ANSWERwater= unorganized ice=organized
Where can you find free radicals - ANSWERAntioxidants, smoking, uv light
a positive hydrogen in a polar molecule attracts the slightly negative polar molecule -
ANSWERHydrogen Bond
3 elements that form with hydrogen bonds - ANSWERoxygen, nitrogen, fluorine
The building blocks of nucleic acid chains that act as energy carriers and intracellular
messengers - ANSWERNucleotides
A deoxyribose nucleotide with three phosphate functional groups - ANSWERATP
QUESTIONS & ANSWERS!!
what are the characteristics defining life? - ANSWERacquire and use materials and
energy
maintain organized complexity
respond/sense to stimuli
grow
reproduce
evolve, collectively
Who discovered penicillin - ANSWERFleming
# of protons = - ANSWER# of electrons
Ocean, Ice/Salt, Water Flea - ANSWER1. complex; not organized
2. organized; not complex
3. organized and complex
Tree of life - ANSWERBlue= Bacteria Purple/Middle= Arachaea Red= Eukarya
the three domains - ANSWERBacteria, Archaea, Eukarya
in order, the scientific method - ANSWERobservation
question
hypothesis
prediction
experiment
conclusion
Most common elements in humans - ANSWEROxygen, carbon, hydrogen, nitrogen,
calcium, phosphorus
least complex to most complex; community, population, ecosystem, biosphere,
multicellular organism, species - ANSWERmulticellular organism
population
species
community
ecosystem
biosphere
generalization from observations that support it and no one can contradict it -
ANSWERinductive reasoning
a Hypothese based on a well supported generalization (theory) - ANSWERdeductive
reasoning
, 3 natural processes that cause evolution - ANSWERmutation
inheritance of traits by offspring
natural selection of traits
being able to make your own food - ANSWERAutotroph
Must eat other, can not make your own food - ANSWERHeterotroph
Bacteria - ANSWERProkaryotic; unicellular
Archaea - ANSWERProkaryotic; unicellular
Eukarya - ANSWEREukaryotic; usually multicellular can be uni; fungi, plants,
animals, protists
molecules - ANSWER2 or more atoms from the same or different elements
compound - ANSWERmade of atoms of different elements
electrons are TRANSFERED, creating positive and negative ions that attract one
another - ANSWERIonic bond
Electrons are SHARED between uncharged atoms - ANSWERCovalent Bond
Covalent, single, double, triple bond - ANSWERsingle= H2 double= O2 triple=N2
and H2O
equal sharing - ANSWERnon polar
unequal sharing - ANSWERpolar
acidic, neutral, bases - ANSWERacidic= stomach acid, lemon juice, orange, beer,
neutral= urine, milk, pure water, sweat
base= baking soda, cleaning supply
water and ice organized/unorganized - ANSWERwater= unorganized ice=organized
Where can you find free radicals - ANSWERAntioxidants, smoking, uv light
a positive hydrogen in a polar molecule attracts the slightly negative polar molecule -
ANSWERHydrogen Bond
3 elements that form with hydrogen bonds - ANSWERoxygen, nitrogen, fluorine
The building blocks of nucleic acid chains that act as energy carriers and intracellular
messengers - ANSWERNucleotides
A deoxyribose nucleotide with three phosphate functional groups - ANSWERATP
