<p>Although some of the questions were iffy, I don’t think I did bad on Bio.</p>
<p>Now for Math 2 and US History, I just don’t know what to say.</p>
<p>Questons: </p>
<p>1) does anyone else do the cyanide one…wth the frost for the e section?</p>
<p>2) the other question for the tube lab with the bronthymol blue? ONe answer was 5 and 6…what was the answer to the other question? </p>
<p>3) evolutionary adavantage to having a four chambered heart?</p>
<p>no one knows the answer to any of those questions??</p>
<p>Guys, for the question pertaining to the starling species –</p>
<p>it cannot be the starling specific virus. Viruses tend to mutate frequently and pose a clear threat to other species. Just look at swine flu or avian flu. Additionally, I’m pretty sure the question asked about lessening population density, not killing them. I put trap and relocate because it was the only one that didn’t seem to have the potential to destroy ecosystems. It also will lower the population DENSITY.</p>
<p>koken911, did you put trap and relocate for the other answer as well…</p>
<p>what is the advantage to having a four chambered heart? </p>
<p>And what were the answers for the lab wtih the bronthymol blue and limewater lab?</p>
<p>can someone consolidate?</p>
<p>the questions bout the enzyme labs </p>
<p>does higher temp increase diffusion rate?</p>
<p>and is rate of reaction proportional to substrate at low amounts?</p>
<ol>
<li><p>I think this question was on E – For the branch attached to the tree, was the branch 4 feet above the ground?</p></li>
<li><p>I don’t remember getting the sperm question on my test at all, but my friend told me it was something like, Where does meiosis of sperm end? Does anyone know?</p></li>
<li><p>For one of the labs, I don’t really remember the question, but it had tables of substrate, temperature, and activity rate and it asked how substrate and activity rate were related. Was it linear or was it directly proportional for the first half? Or was it another answer choice?</p></li>
</ol>
<p>jess.i.can </p>
<p>2) it was seminiferous tubules</p>
<p>jess.i.can --i put linear</p>
<p>1) does anyone the answer to the cyanide plant question with the frost–(on e section)</p>
<p>2) does anyone remember the two answers for the questions on the lab with bronthymol blue and limwater? one answer was Tubes 5,6. What was the other answer? </p>
<p>3) What was the evolutionary adavantage to having a four chambered heart?</p>
<p>izy:
I also put high diffusion and low proportion (the question concerning enzyme/substrates)</p>
<p>as for 4 chambered heart…I put the answer choice having to do with cycling through the lungs (oxygenation)</p>
<p>confimations?</p>
<p>bloog–do you mean the one that was like…“it seperates the blood from the systematic system and the lungs” or somthing?</p>
<p>mabel92 –
Really? I thought it was directly proportional for the first half because it increased a lot from 0 to 10 (substrate levels), but only increased by 1 from 40 to 50.
- I put choice A, the cyanide plants would thrive in an environment with no permafrost
- I’m pretty sure it was that blood could be circulated to the lungs</p>
<p>I don’t remember the diffusion question. Was it the one where it was talking about the rate of diffusion of enzymes and substrates? I don’t think I put that because enzymes and substrated don’t/don’t need to diffuse, right?</p>
<p>yeah enzymes and substrate don’t diffuse so I didn’t choose that either.</p>
<p>What’s the answer for ant and tree question?
It seemed like it’s mutualism but it wasn’t in the answer choices…</p>
<p>rachelleeee,
I’m pretty sure it was coevolution, because none of the other answer choices seemed to make sense. But yes, if mutualism had been an answer choice, I would think that would make more sense.</p>
<p>ant and tree one was coevolution</p>
<p>and the enzyme one i’m positive about…it said it in my text book. i dont know if that was the exact wording…on the test it said something like…the increase in temp allows for more collisions among substrate and enzymes. that one was right</p>
<p>i think i was right–the adaptive value of having a four chambered heart: </p>
<p>A four chambered heart establishes two distinctly separate circulatory pathways. Pulmonary circulation carries blood from the heart to the lungs and back. Systemic circulation carries blood from the heart to all other areas of the body and back. To have separation of these pathways by a second ventricle insures no mixing of oxygenated blood (from the lungs) with de-oxygenated blood (from all other parts of the body).</p>
<p>i thought for the enzymne one that it gets denatured at higher temperatures…</p>
<p>alright mabel</p>
<p>you might be right about the enzyme…I just recall that I put something to do with high temp</p>
<p>anyways…does anyone know the answer to the question referring to the six animals killed off by the storm and what happened to the gene pool? (if this wasn’t in the 60 core q’s it was in the E section)</p>
<p>edit: that’s what I put tehcakeisaLIE =)</p>
<p>the graphs showed the production level capping off when the temp exceeded a certain point and the only reasonable explanation for that would be the enzyme becoming denaturing (out of shape) and not being able to bind with the substrates</p>