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AAMC MCAT Practice Exam 1 With Correct Questions And Answers 2024
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AAMC MCAT Practice Exam 1 With CorrectQuestions And Answers 2024
How ydo yyou ycalculate ythe yindex yof yrefraction? y- ycorrect yanswer.(speed yof ylight yin
yvacuum) y÷ y(speed yof ylight yin ymedium)
What ydoes ySnell's yLaw ydefine? y- ycorrect yanswer.Refraction
n1(sinΘ1)=n2(sinΘ2)
How yis yintensity yrelated yto yelectromagnetic yradiation? y- ycorrect yanswer.Electromagnetic
yradiation's yphoton yenergy yis yE=hf.
Intensity=power/area
Power= yWork(energy)/time
Intensity= y(energy)/(area)(time)
What yis ythe ywork ygenerated yby yhealthy yadult ywho ycirculates y9L yof yblood ythrough ythe
ybrachial yartery yin y10 yminutes, yif ythe ypower yis y200W? y- ycorrect yanswer.9L ycan ybe
yignored yin ythis yscenario y(was yrelevant yin ythe ypassage).
200W y= y200J/s
200J/s y= y(work)/(10*60s)
work y= y120000J y= y120kJ
What yis ythe ydifference ybetween yhydrolysis yand ydehydration? y- ycorrect
yanswer.hydrolysis: yuses ywater yto ymake ytwo ycompounds. y
AB y--> yA-H yand yB-OH
dehydration: ysynthesizes ytwo ymolecules yto yone. y
A-H y+ yB-OH y--> yAB y+H2O
In ypaper ychromatography, ywhat yis ythe ystationary yphase? y(regarding ycellulose) y- ycorrect
yanswer.It yis ythe ypaper. yThe ymovement yof ymolecules yis ydetermined yby ypolarity. yIf ya
ymolecule yis ynon-polar, ythen yit ymoves ymore. yCellulose ywill ybind ymore ypolar ycompounds. y
, For yexample, yif yhydrogen ybonding yis ypresent, ycellulose yis ymore ylikely yto ybind ythat
ycompound
Why yare ySN2 yreactions ynot ystereospecific? y- ycorrect yanswer.Because ythere yare ytwo
ystereoisomers yin ythe yracemic ymixture. yIn ycontrast yto ySN1, ywhere ythere yis yonly yONE
ystereoisomer yas ya yproduct.
What yis ythe yfunctional ygroup ymade yby ya ypeptide ybond?
A. yamine ygroup
B. yaldehyde ygroup
C. yamide ygroup
D. ycarboxyl ygroup y- ycorrect yanswer.C. yamide ygroup
Carboxyl yacid y+ yamine
What ydoes ygas ychromatography yseparate yby? y- ycorrect yanswer.volatility y/ yboiling ypoint
What ycomes yout yof ygas-liquid ychromatography yfirst?
A. yhigh ybp ycompounds
B. ylow ybp ycompounds y- ycorrect yanswer.B. ylow ybp ycompounds
Easier yto yheat ythe ycompound, yso ythe yfaster yit ygoes ythrough ythe ycolumn.
Which ystatement ycorrectly ydescribes yhow yenzymes yaffect ychemical yreactions?
yStabilization yof:
A. ythe ysubstrate ychanges ythe yfree yenergy yof ythe yreaction.
B. ythe ytransition ystate ychanges ythe yfree yenergy yof ythe yreaction
C. ythe ysubstrate ychanges ythe yactivation yenergy yof ythe yreaction
D. ythe ytransition ystate ychanges ythe yactivation yenergy yof ythe yreaction y- ycorrect yanswer.D.
ythe ytransition ystate ychanges ythe yactivation yenergy yof ythe yreaction
Why yis ythe yvelocity yof yblood yflow yslower yin ycapillaries ythan yin yarteries?
A. ycapillary ywalls yare ymore yelastic ythan yarterial ywalls
B. yCapillaries yhave yless yresistance yto yblow yflow
C. ythe ytotal ycross ysectional yarea yof ycapillaries yexceeds ythat yof yarteries
D. yblood ypressure yis yhigher yin ythe ycapillaries ythan yin yarteries y- ycorrect yanswer.C. ythe
ytotal ycross ysectional yarea yof ycapillaries yexceeds ythat yof yarteries
Describe yan yoctahedral ycompound yand yit's ycharacteristics. y- ycorrect yanswer.- yhave ysix
ySIGMA ybonds
- yno ylone ypairs
- yhybridization: ysp3d2
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