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Biol |\ 1201 |\Exam |\ 1 |(gregg) |\questions |\with |\
answers
plasma |\membrane |- |\CORRECT |\ANSWERS |\✔✔The |\membrane |\at |\the |
boundary |\of |\every |\cell |\that |\acts |\as |\a |\selective |\barrier, |\thereby |
regulating |\the |\cell's |\chemical |\composition. Ribosomes |- |\CORRECT |\ANSWERS |\✔✔complexes |\that |\make |\proteins; |
free |\in |\cytosol |\or |\bound |\to |\rough |\ER |\or |\nuclear |\envelope Golgi |\apparatus |- |\CORRECT |\ANSWERS |\✔✔active |\in |\synthesis, |
modification, |\sorting, |\and |\secretion |\of |\cell |\products Lysosome |- |\CORRECT |\ANSWERS |\✔✔digestive |\organelle |\where |
macromolecules |\are |\hydrolyzed, |\and |\autophagy Mitachondrion |- |\CORRECT |\ANSWERS |\✔✔organelle |\where |\cellular |
respiration |\occurs |\and |\most |\ATP |\is |\generated Cytoskeleton |- |\CORRECT |\ANSWERS |\✔✔reinforces |\cell's |\shape; |
functions |\in |\cell |\movement; |\components |\are |\made |\of |\protein. |
Includes: |\Microfilaments, |\Intermediate |\filaments, |\Microtubules.
Endoplasmic |\Reticulum |- |\CORRECT |\ANSWERS |\✔✔network |\of |
membranous |\sacs |\and |\tubes; |\active |\in |\membrane |\synthesis |\and |
other |\synthetic |\and |\metabolic |\processes; |\has |\rough |(ribosome- studded) |\and |\smooth |\regions Rough |\ER |- |\CORRECT |\ANSWERS |\✔✔protein |\synthesis Smooth |\ER |- |\CORRECT |\ANSWERS |\✔✔lipid |\synthesis calcium |\ion |\storage poison |\detoxification Nucleolus |- |\CORRECT |\ANSWERS |\✔✔nonmembranous |\structure |
involved |\in |\production |\of |\ribosomes; |\a |\nucleus |\has |\one |\or |\more |
nucleoli Chromatin |- |\CORRECT |\ANSWERS |\✔✔material |\consisting |\of |\DNA |\and |
proteins; |\visible |\in |\a |\dividing |\cell |\as |\individual |\condensed |
chromosomes cell |\wall |- |\CORRECT |\ANSWERS |\✔✔outer |\layer |\that |\maintains |\cell's |
shape |\and |\protects |\cell |\from |\mechanical |\damage; |\made |\of |
cellulose, |\other |\polysaccharides, |\and |\protein
A(n) |_____ |\refers |\to |\two |\or |\more |\atoms |\held |\together |\by |\covalent |
bonds. |- |\CORRECT |\ANSWERS |\✔✔molecule This |\atom |\can |\form |\up |\to |_____ |\single |\covalent |\bond(s) |- |\CORRECT |
ANSWERS |\✔✔ 4 A(n) |_____ |\bond |\joins |\these |\two |\oxygen |\atoms. |- |\CORRECT |\ANSWERS |\✔✔double |\covalent Part |\complete What |\is |\the |\atomic |\number |\of |\an |\atom |\that |\has |\ 6 |\protons, |\ 6 |
neutrons, |\and |\ 6 |\electrons? |- |\CORRECT |\ANSWERS |\✔✔ 6 Part |\complete Which |\of |\these |\refers |\to |\atoms |\with |\the |\same |\atomic |\number |\but |
different |\atomic |\masses? |- |\CORRECT |\ANSWERS |\✔✔these |\atoms |\are |
isotopes Fluorine's |\atomic |\number |\is |\ 9 |\and |\its |\atomic |\mass |\is |\19. |\How |\many |\neutrons |\does |\fluorine |\have? |- |\CORRECT |\ANSWERS |\✔✔ 10 An |\uncharged |\atom |\of |\boron |\has |\an |\atomic |\number |\of |\ 5 |\and |\an |
atomic |\mass |\of |\11. |\How |\many |\protons |\does |\boron |\have? |- |
CORRECT |\ANSWERS |\✔✔ 5
A |\water |\molecule |\can |\bond |\to |\up |\to |_____ |\other |\water |\molecules |\by |____ |\bonds. |- |\CORRECT |\ANSWERS |\✔✔ 4 |.... |\hydrogen Part |\complete |\The |\unequal |\sharing |\of |\electrons |\within |\a |\water |\molecule |\makes |
the |\water |\molecule |_____. |- |\CORRECT |\ANSWERS |\✔✔polar The |\tendency |\of |\an |\atom |\to |\pull |\electrons |\toward |\itself |\is |\referred |
to |\as |\its |_____. |- |\CORRECT |\ANSWERS |\✔✔electronegativity In |\this |\molecule, |\what |\type |\of |\bond |\is |\found |\between |\the |\oxygen |
and |\hydrogens? |- |\CORRECT |\ANSWERS |\✔✔polar |\covalent Which |\of |\these |\bonds |\is |\weakest? |- |\CORRECT |\ANSWERS |
✔✔hydrogen |\bond Why |\isn't |\this |\insect |\drowning? |- |\CORRECT |\ANSWERS |\✔✔surface |
tension What |\is |\the |\pH |\of |\an |\aqueous |\solution |\with |\the |\hydronium |\ion |
concentration[H3O+] |= |\ 2 |\x |\10-14 |\M |? |- |\CORRECT |\ANSWERS |\✔✔13.
organic |\phosphate |- |\CORRECT |\ANSWERS |\✔✔contributes |\negative |
charge L-dopa |\is |\used |\to |\treat |_____. |- |\CORRECT |\ANSWERS |\✔✔Parkinson's |
disease What |\kind |\of |\effect |\does |\R-dopa |\have |\on |\Parkinson's |\disease? |- |
CORRECT |\ANSWERS |\✔✔none structural |\isomers |- |\CORRECT |\ANSWERS |\✔✔differ |\in |\the |\covalent |
arrangements |\of |\their |\atoms cis-trans |\isomers |(geometric |\isomers) |- |\CORRECT |\ANSWERS |\✔✔differ |\in |\the |\arrangement |\of |\their |\atoms |\about |\a |\double |\bond enantiomers |- |\CORRECT |\ANSWERS |\✔✔isomers |\that |\are |\mirror |
images |\of |\each |\other Glycogen |- |\CORRECT |\ANSWERS |\✔✔a |\polysaccharide |\found |\in |
animals glucose |+ |\glucose |\—> |_____ |\by |_____. |- |\CORRECT |\ANSWERS |
✔✔maltose |+ |\water |... |\dehydration |\synthesis
dehydration |\synthesis |- |\CORRECT |\ANSWERS |\✔✔Condensation |
reaction |\where |\molecules |\are |\connected |\by |\loss |\of |\a |\water |
molecule. Hydrolysis |- |\CORRECT |\ANSWERS |\✔✔Breaking |\down |\complex |
molecules |\by |\the |\chemical |\addition |\of |\water Maltose |- |\CORRECT |\ANSWERS |\✔✔the |\disaccharide |\formed |\when |\two |\glucose |\molecules |\are |\linked |\by |\dehydration |\synthesis Which |\of |\these |\is |\a |\source |\of |\lactose? |- |\CORRECT |\ANSWERS |
✔✔lactose |\is |\the |\sugar |\found |\in |\MILK Which |\of |\these |\is |\a |\polysaccharide? |- |\CORRECT |\ANSWERS |
✔✔cellulose _____ |\is |\the |\most |\abundant |\organic |\compound |\on |\Earth. |- |\CORRECT |
ANSWERS |\✔✔cellulose Glucose |- |\CORRECT |\ANSWERS |\✔✔A |\simple |\sugar |\that |\is |\an |
important |\source |\of |\energy. Starch |- |\CORRECT |\ANSWERS |\✔✔Storage |\polysaccharide |\of |\plants.
saturated |\fat |- |\CORRECT |\ANSWERS |\✔✔A |\lipid |\made |\from |\fatty |\acids |\that |\have |\NO |\DOUBLE |\bonds |\between |\carbon |\atoms unsaturated |\fat |- |\CORRECT |\ANSWERS |\✔✔A |\lipid |\made |\from |\fatty |
acids |\that |\have |\at |\least |\one |\double |\bond |\between |\carbon |\atoms. nucleic |\acid |- |\CORRECT |\ANSWERS |\✔✔a |\complex |\organic |\substance |
present |\in |\living |\cells, |\especially |\DNA |\or |\RNA, |\whose |\molecules |
consist |\of |\many |\nucleotides |\linked |\in |\a |\long |\chain. protein |- |\CORRECT |\ANSWERS |\✔✔An |\organic |\compound |\that |\is |\made |\of |\one |\or |\more |\chains |\of |\amino |\acids |\and |\that |\is |\a |\principal |
component |\of |\all |\cells amino |\acid |- |\CORRECT |\ANSWERS |\✔✔Building |\blocks |\of |\protein Phospholipid |- |\CORRECT |\ANSWERS |\✔✔composed |\of |\a |\phosphate |
group, |\a |\glycerol, |\and |\fatty |\acids. Which |\of |\these |\is |\rich |\in |\unsaturated |\fats? |- |\CORRECT |\ANSWERS |
✔✔olive |\oil |(plant |\oil)
A |\function |\of |\cholesterol |\that |\does |\not |\harm |\health |\is |\its |\role |_____. |- |\CORRECT |\ANSWERS |\✔✔As |\a |\component |\of |\animal |\cell |
membranes Proteins |\are |\polymers |\of |_____. |- |\CORRECT |\ANSWERS |\✔✔amino |\acids What |\type |\of |\bond |\joins |\the |\monomers |\in |\a |\protein's |\primary |
structure? |- |\CORRECT |\ANSWERS |\✔✔peptide Which |\of |\these |\illustrates |\the |\secondary |\structure |\of |\a |\protein? |- |
CORRECT |\ANSWERS |\✔✔Alpha |\helices |\and |\beta |\pleated |\sheets |\are |
characteristic |\of |\a |\protein's |\secondary |\structure. The |\secondary |\structure |\of |\a |\protein |\results |\from |_____. |- |\CORRECT |
ANSWERS |\✔✔hydrogen |\bonds Tertiary |\structure |\is |\NOT |\directly |\dependent |\on |_____. |- |\CORRECT |
ANSWERS |\✔✔peptide |\bonds ionic |\bond |- |\CORRECT |\ANSWERS |\✔✔the |\attraction |\between |
oppositely |\charged |\ions |(metal) hydrogen |\bond |- |\CORRECT |\ANSWERS |\✔✔weak |\attraction |\between |\a |
hydrogen |\atom |\and |\another |\atom
nucleus endoplasmic |\reticulum cytoskeleton plasma |\membrane Prokaryotic |\only |- |\CORRECT |\ANSWERS |\✔✔nucleoid eukaryotic |\only |- |\CORRECT |\ANSWERS |\✔✔lysosome, |\mitochondria, |
nucleolus eukaryotic |\and |\prokaryotic |- |\CORRECT |\ANSWERS |\✔✔plasma |
membrane flagella ribosomes prokaryotic |\cell |- |\CORRECT |\ANSWERS |\✔✔cell |\that |\does |\not |\have |\a |
nucleus |\or |\other |\membrane-bound |\organelles. Eukaryotic |\cells |- |\CORRECT |\ANSWERS |\✔✔Contain |\a |\nucleus |\and |
other |\organelles |\that |\are |\bound |\by |\membranes.
In |\eukaryotic |\flagella, |\the |\fibers |\that |\slide |\past |\one |\another |\due |\to |
the |\activity |\of |\dynein |\proteins |\are |_______ |- |\CORRECT |\ANSWERS |
✔✔microtubules Many |\cell |\organelles, |\most |\notably |\the |\nucleus, |\are |\anchored |\by |
____________ |\which |\are |\assembled |\from |\a |\diverse |\class |\of |\proteins. |- |
CORRECT |\ANSWERS |\✔✔intermediate |\filaments Centrosomes |\are |\sites |\where |\protein |\dimers |\assemble |\into |________ |- |\CORRECT |\ANSWERS |\✔✔microtubules. The |\extension |\of |\pseudopodia |\in |\amoeba |\is |\due |\to |\the |\regulated |
assembly |\and |\destruction |\of |_________ |- |\CORRECT |\ANSWERS |
✔✔microfilaments. The |\only |\cytoskeletal |\fibers |\not |\associated |\with |\intracellular |
movement |\or |\whole |\cell |\locomotion |\are |\the |___________ |- |\CORRECT |
ANSWERS |\✔✔intermediate |\filaments. During |\muscle |\contractions, |\myosin |\motor |\proteins |\move |\across |
tracks |\of |____________ |- |\CORRECT |\ANSWERS |\✔✔microfilaments. Which |\of |\the |\following |\proteins |\are |\synthesized |\by |\bound |
ribosomes? |- |\CORRECT |\ANSWERS |\✔✔ER |\protein, |\insulin, |\lysosomal |
enzyme
hemolysis |- |\CORRECT |\ANSWERS |\✔✔the |\rupture |\or |\destruction |\of |
red |\blood |\cells. Which |\of |\the |\following |\factors |\does |\not |\affect |\membrane |
permeability? |- |\CORRECT |\ANSWERS |\✔✔The |\polarity |\of |\membrane |
phospholipids How |\can |\a |\lipid |\be |\distinguished |\from |\a |\sugar? |- |\CORRECT |
ANSWERS |\✔✔Lipids |\are |\mostly |\nonpolar. True |\or |\false? |\Osmosis |\is |\a |\type |\of |\diffusion. |- |\CORRECT |\ANSWERS |
✔✔true What |\property |\of |\dishwashing |\liquid |(detergent) |\makes |\it |\useful |\to |
wash |\grease |\from |\pans? |- |\CORRECT |\ANSWERS |\✔✔Amphipathic |
nature Which |\of |\the |\following |\particles |\could |\diffuse |\easily |\through |\a |\cell |
membrane? |- |\CORRECT |\ANSWERS |\✔✔oxygen True |\or |\false? |\The |\water-soluble |\portion |\of |\a |\phospholipid |\is |\the |
polar |\head, |\which |\generally |\consists |\of |\a |\glycerol |\molecule |\linked |
to |\a |\phosphate |\group. |- |\CORRECT |\ANSWERS |\✔✔true
If |\a |\red |\blood |\cell |\is |\placed |\in |\a |\salt |\solution |\and |\bursts, |\what |\is |
the |\tonicity |\of |\the |\solution |\relative |\to |\the |\interior |\of |\the |\cell? |- |
CORRECT |\ANSWERS |\✔✔hypotonic started |\pH |= |\7, |[H+] |\is |\increased |\by |\1000, |\what |\will |\be |\your |\new |
pH? |- |\CORRECT |\ANSWERS |\✔✔ 4 pOH |= |-log[OH-] pH |= |-log[H+] |- |\CORRECT |\ANSWERS |\✔✔inverse |\relationships equation |\to |\find |\pH |- |\CORRECT |\ANSWERS |\✔✔pH |+ |\pOH |= |\ 14 start |\at |\pH |= |\8, |\increase |[OH-] |\by |\100, |\what |\is |\your |\new |\pH? |- |
CORRECT |\ANSWERS |\✔✔ 10 non |\polar |\bond |- |\CORRECT |\ANSWERS |\✔✔a |\covalent |\bond |\in |\which |
electrons |\are |\shared |\equally polar |\bond |- |\CORRECT |\ANSWERS |\✔✔a |\covalent |\bond |\in |\which |
electrons |\are |\shared |\unequally polarity, |\dissolved |\by |\water |- |\CORRECT |\ANSWERS |\✔✔polar |\likes |
polar
amino |\group |(amine) |- |\CORRECT |\ANSWERS |\✔✔NH carboxyl |\group |- |\CORRECT |\ANSWERS |\✔✔Carboxylic |\acid |\or |\organic |
acid carbonyl |\group |- |\CORRECT |\ANSWERS |\✔✔Ketone |\and |\Aldehyde hydroxyl |\group |- |\CORRECT |\ANSWERS |\✔✔OH- |(alcohol) Lipid |- |\CORRECT |\ANSWERS |\✔✔Energy-rich |\organic |\compounds, |\such |\as |\fats, |\oils, |\and |\waxes, |\that |\are |\made |\of |\carbon, |\hydrogen, |\and |
oxygen.
