Topscore 3 insanely hard

[rav4182]

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I just took topscore test 3 and this is what i got on the sciences

bio 18
gc 19
oc 28

I'm happy with my organic score, but bio and gc were insanely hard compared to test 1 and 2. On test 1 and 2 i basically made a few dumb mistakes, but i still knew almost all of the questions. topscore 3 was just throwing stuff out of nowhere and didnt give good explanations for many of them. anyone else agree with this? I have my dat on the 28th and i'm afraid im gonna get shafted by unknown material even though i've seriously studied my ass off. im a retaker and im trying to avoid getting a lower bio score than the first time i took it (23).

Bio
Ques #2 about the hydrolysis of atp, i think the wording of the question was off or something. anyone else see a typo or am i just wrong? isnt hydrolysis of atp when atp is split, which is exergonic and drive work? i think it could be answer A or B. the explanation doesnt make sense. i think there referring to atp being made from adp and p, but then how can that even drive cellular work?

Q15: i thought gas exchange in a human fetus occured across the umbillical cord. isnt the umbilical cord analagous the allantosis (which is where gas exchange occurs according to kbb)

Q20: how the hell are we even suppose to know what all these nerves do. nothing in cliffs, kbb, datqvault even mention this.


GC

Q58: i've never seen anything like this

Q67: i thought to get half the eq point you had to divide the volume necessary to neutralize by half. i remember chad saying something like that on his video. can someone please clarify this.

 

[seunglim87]

I just took topscore test 3 and this is what i got on the sciences

bio 18
gc 19
oc 28

I'm happy with my organic score, but bio and gc were insanely hard compared to test 1 and 2. On test 1 and 2 i basically made a few dumb mistakes, but i still knew almost all of the questions. topscore 3 was just throwing stuff out of nowhere and didnt give good explanations for many of them. anyone else agree with this? I have my dat on the 28th and i'm afraid im gonna get shafted by unknown material even though i've seriously studied my ass off. im a retaker and im trying to avoid getting a lower bio score than the first time i took it (23).

Bio
Ques #2 about the hydrolysis of atp, i think the wording of the question was off or something. anyone else see a typo or am i just wrong? isnt hydrolysis of atp when atp is split, which is exergonic and drive work? i think it could be answer A or B. the explanation doesnt make sense. i think there referring to atp being made from adp and p, but then how can that even drive cellular work?

Q15: i thought gas exchange in a human fetus occured across the umbillical cord. isnt the umbilical cord analagous the allantosis (which is where gas exchange occurs according to kbb)

Q20: how the hell are we even suppose to know what all these nerves do. nothing in cliffs, kbb, datqvault even mention this.


GC

Q58: i've never seen anything like this

Q67: i thought to get half the eq point you had to divide the volume necessary to neutralize by half. i remember chad saying something like that on his video. can someone please clarify this.

#2, when i was doing the problem i was contemplating between a and b as well, but i thought of the chemistry concept, breaking bond is endothermic and forming bond is exothermic, but i might be wrong.

#15, i think you are looking at the picture of egg embryology for allantois in KBB. In placental development, allontois develops into part of umbilical vessels

#20, i think this is something you should keep in mind because they use the term "vagus nerve" quite often in physiology class.

#67. half point is where pH=pKa. equvalant point is where M1V1=M2V2

hope this helped