Exam (elaborations)
MCAT Official Prep Online Exam Practice Questions With Correct Answers 2024
- Course
- Institution
MCAT Official Prep Online Exam Practice Questions With Correct Answers 2024
[Show more]
Content preview
MCAT Official Prep Online Exam PracticeQuestions With Correct Answers 2024
red dmuscle dfibers d- dcorrect danswer.-increased dmyoglobin
-increased daffinity dthan dHb
-aerobic denergy
-increased dmitochondria
-slow, dused dfor dhigh dendurance dactivities, dsuch das dlong-distance drunning,
-Triglyceride dis dthe dsource dof denergy
My dAer dMigrates dHigh dSo dTri dRun
white dmuscle dfibers d- dcorrect danswer.-fast dtwitch
-easy dfatigue
-anaerobic
pale din dcolor
-less dmyoglobin
-less dmitochondria dand dcapillaries d
used dfor dquick dmovements, dsuch das djumping.
-Glycogen dis dsource dof denergy
The dcross dbridge d- dcorrect danswer.The dconnection dof da dmosin dhead dgroup dto dan dactin
dfilament dduring dmuscle dcontraction d(the dsliding dfilament dtheory).
Acetylcholine d- dcorrect danswer.A dneurotransmitter dthat denables dlearning dand dmemory
dand dalso dtriggers dmuscle dcontraction. dMuscle dacetylcholine dis da dneurotransmitter
dreleased dat dthe dneuromuscular djunction dby dthe dpresynaptic dneuron dthat dbinds dto
dnicotinic dreceptors don dthe dmuscle dfiber. dThis dallows dfor dthe dinflux dof dsodium dthe
drelease dof dcalcium dfrom dthe dsarcoplasmic, dreticulum dand dultimately dmuscle dcontraction.
mechanism dfor dmuscle dcontraction d- dcorrect danswer.sliding dfilament dmechanism. d
Calcium dis dreleased dby dthe dsarcoplasmic dreticulum dwhen dthe daction dpotential darrives,
dbinds don dtroponin dand dexposes dtropomyosin. dThe dmyosin dbinds don dtropomyosin
dbinding dsites dand dthen dpulls don dit. dThats dthe dcontraction. dATP dis dthen dused dto drelease
dthe dmyosin dand drelax dthe dmuscle.
, The dinflux dof dsodium dwill ddepolarize dthe dcell dand dultimately drelease dof dcalcium dwill
dcause da dmuscle dcontract dor drelax? d- dcorrect danswer.contracts
Acetylcholine dcauses dmuscle dcontraction dor drelaxation? d- dcorrect danswer.contraction
hyperpolarization d- dcorrect danswer.The dmovement dof dthe dmembrane dpotential dof da dcell
daway dfrom drest dpotential din da dmore dnegative ddirection. dpotassium dions dkeep dleaking
dout dof dthe dcell dvia dpotassium dchannels. dThis ddiffusion dof dpotassium dions d(positively
dcharged dions) dinto dthe dextracellular dspace dmakes dthe dmembrane dpotential dmore
dnegative.
pyruvate din dlactic dacid dfermentation d- dcorrect danswer.pyruvate dreduced dto dlactate.
dPyruvate daccepts dthe delectron dfrom dthe dNADH dand dis dreduced dduring dlactic dacid
dfermentation.
Prokaryotic dcells d- dcorrect danswer.Do dnot dhave da dnucleus dor dother dmembrane-bound
dorganelles. dContain dprotein dand dphospholipids din dtheir dcell dmembrane, dthey ddo dnot
dcontain dglycolipids dor dsterols.
dThey ddo dnot dundergo dmitosis dand ddo dnot dform dmitotic dspindle dbecause dthey ddo dnot
dhave da dnucleus. dHowever, dthey dgo dthrough dbinary dfission..
glycolipids dand dsterols d- dcorrect danswer.Membrane dcarbohydrates dthat dare dcovalently
dbonded dto dlipids. dSynthesized dby dgolgi dapparatus. d
Sterols dlike dcholesterol dare dsynthesized din dthe dendoplasmic dreticulum
Does dprokaryotes dhave dcytoskeletal dfilaments? d- dcorrect danswer.yes
Endothelial dcells dhave dnuclei, dbut dplatelets dand dmature dRBCs ddo dnot. d- dcorrect
danswer.True
What dis dcell dfragments? d- dcorrect danswer.Platelets, dor dthrombocytes, dare dsmall,
dcolorless dcell dfragments din dour dblood dthat dform dclots dand dstop dor dprevent dbleeding
Endothelial dcells dare dconnected dby dtight djunctions. d- dcorrect danswer.true
tight djunctions, d- dcorrect danswer.Membranes dof dneighboring dcells dare dpressed dtogether,
dpreventing dleakage dof dextracellular dfluid
deoxyribose dvs. dribose dsugar d- dcorrect danswer.Both dmonosaccharides dcontaining d5
dcarbon datoms ddeoxy dmissing doxygen dribose disn't d
Ribose dsugar dhas da dhydroxyl d(OH) dgroup dat dposition d2, dwhereas ddeoxyribose dsugar
dhas da dhydrogen d(H) datom dat dposition d2. dDue dto dthis, ddeoxyribose dsugar dis dmore dstable
dthan dribose dsugar.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller RANKGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now