EK Chemistry Chapter 5 In lecture Question 118
Here's the question. I have no idea how to approach this question. Thanks
View ArticleAldehydes and NMR
Do aldehydes get split by neighbors in HNMR and do aldehydes split neighbors? For example, would CH3CHO show: - two singlets - a quartet and a doublet - a quartet and a singlet - a singlet and a...
View ArticleTBR Chemistry Chapter 8 Thermo Question 43
The question states which of the following is the free energy change of combustion for ethanol under standard conditions? A chart is given in the passage with the different values for free energy I get...
View ArticleTBR Biology Chapter 9 Genetic information
"What is the haploid amount of DNA in the genome of a eukaryotic cell after the completion of Meiosis I?" A.1C B. 2C C. 3C D. 4C The answer was B, I thought it was A. What does "C" mean? According to...
View ArticleConfusion about location of malate-aspartate shuttle
In Kaplan biochem, they show cytosolic OAA reduced to malate so that it can cross the inner mitochondrial membrane from the cytosol into the mitochondrial matrix. I'm confused by this, because isn't...
View ArticleEK In Lecture Chapter 4 Question 84
So I did this as a simple Le Chatelier's principle problem and thought the reaction would shift to the reactant side aka the reverse reaction would increase. However, the answer is that both reactions...
View ArticleEK Chemistry 30 Minute Test 4 Question 92
How do you do this problem? It was the last question in the exam and I kind of ran out of time. Either way I don't really know how to approach it.
View ArticleTBR Physics Chap 2 Ex 2.9
I thought dfulcrum should be 2.5m and not 2.0m as shown. If its 2.5 then ans is 600, A.
View ArticleLialh4
Is it possible for lialh4 to reduce carbonyls directly to alkane? Or is that only for wolffkishner or clemmensen? Thanks! Sent from my iPhone using SDN mobile
View ArticleQuaternary Structure
In Kaplan, it notes Quaternary structure can "reduce the amount of DNA needed to encode the protein complex" Can anyone explain that statement? Not sure how having an aggregate of smaller, globular...
View ArticleDNA Replication - origins of replication
Hey guys! For DNA replication, I know the eukaryotes have multiple origins of replication and prokaryotes only have one. I was just wondering why is it that prokaryotes only have one? Because it seems...
View ArticleGestalt principles
1. It involves a bottom-up type of processing, right? 2. Is continuity principle just about just about connecting small shapes into smooth lines? The way I was trying to remember the laws is as...
View ArticleConfused about which values Keq refers to
There is a question about equilibrium in TBR in a passage that has a table showing increasing temperature with the increasing Kp value for a reaction. The question asks, according to the table, the...
View ArticleTop-down vs. Bottom-up processing and relation to gestalt principles?
I am a bit confused about how the definitions of top-down and bottom-up processing can be used be applied to gestalt principles: From what I understand: Bottom-up processing refers to when we start...
View ArticleTBR Bio II chapter 10 passage 8- genetics expression
Hey guys, so below is a question from the genetics expression chapter of TBR. I kind of get the question but I'm still a bit confused about the wording used. Can you guys help me out? Thank you so...
View ArticleAAMC Bio Pack 1 Q#1
Hello, already starting to question my understanding of Biology with this question. The question states that "The sodium pump would be most active in cells with which of the following structures?" A)...
View ArticleGraves Disease - confusion regarding feedback inhibition
taking a practice exam and got this problem wrong: "Graves’ disease is an autoimmune disorder in which autoantibodies are formed against thyroid stimulating hormone (TSH) receptors on the thyroid...
View ArticleTBR Biology 2, Chapter 1, Passage 2, # 7
TBR Biology Book 2, Chapter 1, Passage 2, Question #7, page 59. The exterior of a rough microsome is equivalent to the: A. cytosol. B. lumen of the nucleus. C. lumen of the rough ER. D. lumen of the...
View ArticleBuyoant force confusion
So the buoyant force is defined at force pushed up by fluid molecules - force pushed down on object by fluid above it. When Khan Academy was deriving the equations, it shows that F upwards =...
View ArticleTBR Passage about Stereoisomers?
Which of the following statements are valid for the isomers of carvone and limonene? I. Both limonene and carvone have four possible stereoiosmers each. But the answer explains that both carvone and...
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