BIOL 1402 EXAM 1

BIOL 1402 EXAM 1

Characteristics bof ba bScientific bHypothesis b- bcorrect banswers✔✔testable band
bfalsifiable


Compare band bContrast bthe bterms bscientific bhypothesis band bscientific btheory b-
bcorrect banswers✔✔Hypothesis: b
- ba bproposed bexplanation bfor ba bsingle bobservation
- bit bis btestable band bfalsifiable

Scientific bTheory:
- bpowerful, bbroad bexplanation bfor brelated bobservations
- bthese bare bbased bon bhypotheses
- bsupported bby bresearch

Inductive bReasoning bversus bDeductive bReasoning b- bcorrect banswers✔✔Inductive
breasoning: bcombining bspecific bobservations bto bgeneral bprinciples b(formulating)


Deductive breasoning: b
general bprinciple bto bpredict bobservations b(predicting)

Explain bwhy bthe btruth bof ba bhypothesis bcannot bbe bproven bconclusively bvia
bdeductive breasoning. b- bcorrect banswers✔✔?


Features bof ba bcontrolled bexperiment b- bcorrect banswers✔✔- btests beffect bof ba
bsingle bvariable
- blimits bpossible balternate bhypotheses
- bthe bdifferences bin bresults bshould bbe bdue bto btreatment

Strategies bfor bminimizing bbias bwhen bdesigning bexperiments b- bcorrect
banswers✔✔Blind bstudies bwhere bparticipant bknowledge bis blimited
Double bBlind bStudies bwhere bboth bresearchers band bparticipants bknowledge bis
blimited


Define bcorrelation b

,Explain bthe bbenefits band blimitations bof busing bthis btechnique bto btest bhypotheses b-
bcorrect banswers✔✔Correlation: bconnection bor brelationship bbetween b2 bor bmore
bthings


Used bwhen bcontrolled bon bhumans bmay bbe bimpossible, bdangerous, bor bunethical

Information bthat bstatistical btests bprovide b- bcorrect banswers✔✔?

Compare band bcontrast bprimary band bsecondary bsources b- bcorrect
banswers✔✔Primary bsource:
- boriginal bresearch
- bpeer breviewed bby bother bscientists bbefore bpublication b

Secondary bsource:
- bstory babout bthe boriginal bresearch
- bbooks, bnews breports, bads

What bis ba bproposed bexplanation bfor ba bsingle bobservation? b- bcorrect
banswers✔✔Hypothesis


Is bthis ba btestable bstatement? bColds bare bcaused bby bdifferences bin bpersonal bauras.
b- bcorrect banswers✔✔No


Hypothesis: bVitamin bC bprevents bcolds. bWhy bis bit bimpossible bto bsay bthat bthis
bhypothesis bis btrue? b- bcorrect banswers✔✔Alternative bhypotheses bmight bbe
bpossible.


Hypotheses bneed bto bbe btested bwith blaboratory bexperiments. b(T bor bF) b- bcorrect
banswers✔✔False


Some bmay bbe btested bby bobservations bof bfossils

A bcorrelation bexists bbetween bstress band bcolds, bbut bstress bmay bNOT bcause bthe
bincrease bin bthe bnumber bof bcolds. b(T bor bF) b- bcorrect banswers✔✔True


Properties bassociated bwith bliving borganisms b- bcorrect banswers✔✔Grow
Move
Reproduce b/ bpass bgenetic binformation bto boffspring
Respond bto bexternal bstimuli b
Metabolize
Maintain bhomeostasis

Describe bthe bstructure band bfunction bof bthe bplasma bmembrane b- bcorrect
banswers✔✔Determines bmaterials bto bbe ballowed bin bor bout b
It's bsemi bpermeable

, Encloses ball bcells b
Defines bouter bboundary
Isolates bcell bcontents bfrom benvironment

Membrane bStructure b- bcorrect banswers✔✔Fluid bproperties
Phospholipid bbilayer
Embedded bProteins

Fluid bProperties bof bMembrane bStructure b- bcorrect banswers✔✔allow blipids band
bproteins bto bslide blaterally


Phosopholipid bbilayer b(membrane bstructure) b- bcorrect banswers✔✔Hydrophilic bheads
bmaximize bexposure bto bwater
Hydrophobic btails binteract bwith beach bother, bexclude bwater, bmake bgreat bmembranes

Embedded bProteins b(membrane bstructure) b- bcorrect banswers✔✔carry bout
benzymatic bfunctions
serve bas breceptors bfor boutside bsubstances
help btransport bsubstances bthroughout bcell

Which borganelle bis bfound bonly bin bplant bcells? b- bcorrect banswers✔✔Chloroplast

Subcellular bOrganelles b- bcorrect banswers✔✔Cell bWall
Nucleus b
Nucleolus
Mitochondria
Chloroplast
Lysosome
Ribosome
Rough bER
Smooth bER
Golgi bapparatus
Cytoskeletal bElements

Cell bWall b- bcorrect banswers✔✔protection boutside bthe bplasma bmembrane bfor
bplants, bfungi, bbacteria
provides bstructural bsupport

Nucleus b- bcorrect banswers✔✔holds bchromatin b(DNA band bproteins) bin beukaryotic
bcells, bsurrounded bby bnuclear benvelope


Nucleolus b- bcorrect banswers✔✔synthesizes bribosomes, binside bnucleus

Mitochondria b- bcorrect banswers✔✔produce benergy bfor bthe bcell bthrough bcellular
brespiration