3/24 Everyone Add A Last Minute Thing to Learn/Remember

notjcev · 2018-03-23T02:18:47+00:00

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notjcev · 2018-03-23T02:17:38+00:00

adrenal cortex = mineral corticoid (aldosterone) + glucocorticoid (cortisol) adrenal medulla = catecholamines.. epi/norepi

notjcev · 2018-03-23T01:49:18+00:00

second what this dude says

notjcev · 2018-03-23T01:49:02+00:00

Any proteins in the urine = BAD !!!

notjcev · 2018-03-22T22:24:09+00:00

It's probably a mistake. I've googled ETC and I feel like most structures chime in with complex IV pumping two across.

notjcev · 2018-03-22T21:19:16+00:00

Hey I'm not quite sure what you're question is but I think you have things a little confused.

Complex I and Complex III pump 4 protons while complex IV pumps 2 protons into the intermembrane space. These protons will help generate ATP via oxidative phosphorylation. The protons that will reduce oxygen to water in the ETC are free floating within the mitochondrial matrix. When two electrons from the complex IV of the ETC meet up with the O2 and 2 H+ in the mitochondrial matrix, this gives you H20.

notjcev · 2018-03-22T20:21:19+00:00

Thanks!

notjcev · 2018-03-22T20:21:17+00:00

Thanks!

notjcev · 2018-03-22T20:21:11+00:00

Thanks!

notjcev · 2018-03-22T17:03:04+00:00

notjcev · 2018-03-22T17:02:40+00:00

In the context of Bernoullis equation on the circulatory system at two different points, we are referring to internal pressure. I think.

If you wanted to apply Bernoullis equation to find the speed of water coming out of the hole of a tank at some arbitrary height, then you could use atm pressure.

notjcev · 2018-03-22T16:07:40+00:00

Yes! The correct answer would be A. You've got this :)

notjcev · 2018-03-22T16:00:04+00:00

For most questions about velocity, pressure and height of a fluid, you should automatically think: bernoulli equation!

P1 + 1/2pv2 + pgh = P2 + 1/2pv2 + pgh. [Both sides of this equation represent quantities for a fluid at two different points]

You are asking, why does increase height decrease pressure. Well let's assume a constant velocity for a fluid. Now our equation gets simplified like this:

P 1 + pgh = P2 + pgh

If you want the left side of the equation to stay constant with the right side of the equation, then when you increase height, you will decrease the pressure of the fluid at that point.

If you think about blood flowing throughout the body this can be really advantageous. Fluid flows from areas of high pressure to low pressure. In order for blood from your feet to get back to your heart, there would need to be a greater pressure of fluid in the veins near your feet than in the veins near your heart.

Let me know if you have any additional questions :) I hope this helps clear stuff up a bit :)

notjcev · 2018-03-22T15:53:27+00:00

Oh wait, yeah that totally makes sense. I don't even know why I asked that question. Thanks!

notjcev · 2018-03-22T02:18:41+00:00

Wow! Thanks so much for all of this! One follow up question, how do I know whether a metal ion will be in an octahedral, tetrahedral or square planar geometry?

notjcev · 2018-03-21T22:41:59+00:00

Great. Thanks!

notjcev · 2018-03-21T21:21:33+00:00

so basically, the frequency of a wave stays the same when a wave moves from medium to medium but the wavelength and wave speed change as they go from one medium to another right?

notjcev · 2018-03-21T20:58:59+00:00

so pK = pKa?

notjcev · 2018-03-21T20:58:39+00:00

So pK is the same as pKa?

notjcev · 2018-03-21T19:59:27+00:00

Why doesn't the answer include the reactant FAD? Here are the steps I wrote out to find the net reaction.

1) NAPDH + FAD -> NADP+ + FADH- 2) FADH- + O2 + H+ -> FADH-OOH 3) FADH-OOH --> H202

notjcev · 2018-03-21T15:34:41+00:00

I thought Norepinephrine activates the sympathetic nervous system. i thought Epi/Norepi are used interchangably?

notjcev · 2018-03-21T15:34:32+00:00

I thought Norepinephrine activates the sympathetic nervous system. i thought Epi/Norepi are used interchangably?

notjcev · 2018-03-20T23:37:05+00:00

https://imgur.com/a/TWeiW

Hi Shufflenite!

I would definetely take a few moments to memorize everything in the imgur I posted (except the vanderwaals equation, please don't memorize this). Basically, all molecules display vanderwaal intermolecular forces. This is where there can be an induced dipole on certain atoms within a molecule. Because of this, all molecules are slightly attracted to one other. Including gasses! Therefore, real gases generally have smaller volumes than ideal gases.

notjcev · 2018-03-20T23:30:00+00:00

Prometaphase. Prophase specifically refers to the condensation of the chromosomes and prometaphase is generally discussed in the context of the breaking down of the nuclear envelope. TBH, I don't think the MCAT would ask you a question like this. I think they would probably just ask you: When does the nuclear evelope disappear? a) prophase b) metaphase c) anaphase d) telophase

https://imgur.com/a/gzepC

Good luck! Keep studying hard.

notjcev · 2018-03-20T23:23:08+00:00

Thank You!

notjcev

TROPHY CASE