MCAT EXAM REVIEW
Study online at https://quizlet.com/_hsrkpz
1. How will en- They will stabilize the transition state of the reaction thus lowering activation
zymes change re- energy.
action rate?
2. what are 4 as- 1. PV=nRT
pects of an ideal 2. Small IMFs (gas) NOT lq or solid
gas? 3. 25C 24.4 L
4. particles that have negligible volume and do not exert intermolecular forces.
3. What is an adhe- Proteins that bind with other cells or with the extracellular matrix and they are not
sion protein? involved in protein folding.
4. Chaperone pro- facilitate proper protein folding and inhibit the formation of nonfunctional protein
tein aggregates.
5. Clathrins formation of vesicles for intracellular trafficking.
6. What is the role regulate the expression of other genes by binding to the promoter or the en-
of a transcription hancer of the gene located on the DNA.
factor?
7. How do enzymes 1. Alter local pH
alter chemical re- 2. co-localizing substrates
actions 3. altering substrates shape.
8. The endomem- the portion of the cells that is in charge of modifying proteins that will be secreted.
brane system
9. optimal arousal optimal performance requires optimal arousal and that arousal levels that are too
theory high or too low will impede performance
10. What is Se- organisms stress reponse always follows a similar course irregardless of the exact
lye's GAS (gen- nature of the stressor .
Page 1 of 41
, MCAT EXAM REVIEW
Study online at https://quizlet.com/_hsrkpz
eral adaptation
syndrome)
11. What is the medi- the middle of the distribution, splitting the sample distribution of values in half.
an?
12. Linguistic relativ- the benefits of bilingualism are related to the idea that the structure of language
ity affects the perceptions of its speakers
13. Can position of a Yes area can effect determination of a cell.
cell or reproduc-
tion effect func-
tion of a cell in
humans?
14. What are the 1. phospholipid
three main com- 2.cholesterol
ponent of the cell 3.proteins
membrane
15. What are the 4 1. integral- span through the entire membrane can be used for carrier proteins
types of mem- transport molecules suing ATP or for channel proteins that pump w/o ATP using
brane proteins a concentration gradient.
and their func- 2. peripheral - sit on the outside head can be removed/ hormones
tions/ examples 3. lipid bound proteins- no real function just there for structure
4. glycoproteins are sugars that are used for signaling and can be anchored to
any one of the former proteins mentioned.
16. How can phos- at low temps we have low fluidity and crystalization.
pholipids effect at high temps we have high fluidity
fluidity?
17.
Page 2 of 41
, MCAT EXAM REVIEW
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how does choles- cholesterol can fit between phospholipids and increase distance therefore in-
terol effect mem- creasing fluidity.
brane fluidity? at low temps fluidity increases
at high temps fluidity decreases'
cholesterol acts as a buffer.
18. how can saturat- saturated fatty acid tails fit together nicely therefore decreasing distance which
ed and unsatu- decreases fluidity.
rated fatty acids unsaturated fatty acids are conjugated and do not fit together nicely therefore
effect fluidity? increasing distance and increasing fluidity.
19. compare intra vs intra- with in a cells own membrane
inter cellular inter- between 2 separate cells
20. what is un- uncatalyzed movement of hydrophilic heads to opposing sides of the cell.
catalyzed mem-
brane dynamics?
21. what is lateral dif- The movement of a hydrophilic phospholipid head in any direction with in the
fusion? cellular membrane. this process is generally fast
22. What is catalyzed protein catalysts are used to move hydrophilic heads.
movement? what Catalysts
are the 3 cata- Flipase- uses ATP to move from one side to the other out to in
lysts Flopase- uses ATP to move from one side to the other in to out
Scramblase - no ATP used and moves two molecule in opposite directions. in to
out (1) out to in (1)
23. What is reab-
sorbed in the
PCT?
24.
Page 3 of 41
, MCAT EXAM REVIEW
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What is excreted
from the PCT?
25. what is absorbed
from the DCT?
26. what is excreted
from the DCT?
27. What are ex- ascending- H2O
creted from the descending- Na+, K+, Cl-
ascening and de-
cending loops of
henle
28. what is absorbed urea
in the loop of
henle
29. what is excreted H2O and Urea
from the collect-
ing duct?
Page 4 of 41
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1. How will en- They will stabilize the transition state of the reaction thus lowering activation
zymes change re- energy.
action rate?
2. what are 4 as- 1. PV=nRT
pects of an ideal 2. Small IMFs (gas) NOT lq or solid
gas? 3. 25C 24.4 L
4. particles that have negligible volume and do not exert intermolecular forces.
3. What is an adhe- Proteins that bind with other cells or with the extracellular matrix and they are not
sion protein? involved in protein folding.
4. Chaperone pro- facilitate proper protein folding and inhibit the formation of nonfunctional protein
tein aggregates.
5. Clathrins formation of vesicles for intracellular trafficking.
6. What is the role regulate the expression of other genes by binding to the promoter or the en-
of a transcription hancer of the gene located on the DNA.
factor?
7. How do enzymes 1. Alter local pH
alter chemical re- 2. co-localizing substrates
actions 3. altering substrates shape.
8. The endomem- the portion of the cells that is in charge of modifying proteins that will be secreted.
brane system
9. optimal arousal optimal performance requires optimal arousal and that arousal levels that are too
theory high or too low will impede performance
10. What is Se- organisms stress reponse always follows a similar course irregardless of the exact
lye's GAS (gen- nature of the stressor .
Page 1 of 41
, MCAT EXAM REVIEW
Study online at https://quizlet.com/_hsrkpz
eral adaptation
syndrome)
11. What is the medi- the middle of the distribution, splitting the sample distribution of values in half.
an?
12. Linguistic relativ- the benefits of bilingualism are related to the idea that the structure of language
ity affects the perceptions of its speakers
13. Can position of a Yes area can effect determination of a cell.
cell or reproduc-
tion effect func-
tion of a cell in
humans?
14. What are the 1. phospholipid
three main com- 2.cholesterol
ponent of the cell 3.proteins
membrane
15. What are the 4 1. integral- span through the entire membrane can be used for carrier proteins
types of mem- transport molecules suing ATP or for channel proteins that pump w/o ATP using
brane proteins a concentration gradient.
and their func- 2. peripheral - sit on the outside head can be removed/ hormones
tions/ examples 3. lipid bound proteins- no real function just there for structure
4. glycoproteins are sugars that are used for signaling and can be anchored to
any one of the former proteins mentioned.
16. How can phos- at low temps we have low fluidity and crystalization.
pholipids effect at high temps we have high fluidity
fluidity?
17.
Page 2 of 41
, MCAT EXAM REVIEW
Study online at https://quizlet.com/_hsrkpz
how does choles- cholesterol can fit between phospholipids and increase distance therefore in-
terol effect mem- creasing fluidity.
brane fluidity? at low temps fluidity increases
at high temps fluidity decreases'
cholesterol acts as a buffer.
18. how can saturat- saturated fatty acid tails fit together nicely therefore decreasing distance which
ed and unsatu- decreases fluidity.
rated fatty acids unsaturated fatty acids are conjugated and do not fit together nicely therefore
effect fluidity? increasing distance and increasing fluidity.
19. compare intra vs intra- with in a cells own membrane
inter cellular inter- between 2 separate cells
20. what is un- uncatalyzed movement of hydrophilic heads to opposing sides of the cell.
catalyzed mem-
brane dynamics?
21. what is lateral dif- The movement of a hydrophilic phospholipid head in any direction with in the
fusion? cellular membrane. this process is generally fast
22. What is catalyzed protein catalysts are used to move hydrophilic heads.
movement? what Catalysts
are the 3 cata- Flipase- uses ATP to move from one side to the other out to in
lysts Flopase- uses ATP to move from one side to the other in to out
Scramblase - no ATP used and moves two molecule in opposite directions. in to
out (1) out to in (1)
23. What is reab-
sorbed in the
PCT?
24.
Page 3 of 41
, MCAT EXAM REVIEW
Study online at https://quizlet.com/_hsrkpz
What is excreted
from the PCT?
25. what is absorbed
from the DCT?
26. what is excreted
from the DCT?
27. What are ex- ascending- H2O
creted from the descending- Na+, K+, Cl-
ascening and de-
cending loops of
henle
28. what is absorbed urea
in the loop of
henle
29. what is excreted H2O and Urea
from the collect-
ing duct?
Page 4 of 41
