/// SAT Subject Test in Biology \\\ 2012, October, 6

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<p>The above is an example of:</p>

<p>(A) a successful rebuttal
(B) a straw-man :heavy_check_mark:
(C) a malapropism
(D) an aphorism
(E) an ode</p>

<p>Well you seem to carry an air of divinity. Someone who thinks he//she is so much better than everyone else so much so that he or she HAS to give his or her own opinion on everything. However, there is someone smarter than you out there. And when you meet your match…good luck.</p>

<p>But enough of replying to this guy’s ******baggery-- haha makes a multiple choice question in order to…LOL. Anyway, anyone remember any other questions?</p>

<p>I’ve compiled a list of my answers for the test… It only includes core and M though. So feel free to add E. (*= needs confirmation) </p>

<p>Powerhouse of cell= mitochondria
Present in pro and eukaryotes= cell membrane
Packages secretory proteins= Golgi
Releases histamine= allergic rxn
Baby drinks mother’s milk for antibodies= passive immunity
chicken pox virus= active immunity
B antibodies w/ b antigens= agglutination</p>

<h1>of phenotypes from heterozygous cross= 2</h1>

<p>% of having a girl= 50</p>

<h1>of generations for 9:3:3:1= 2</h1>

<p>If haploid is 4 for flies, # at prophase = 16
Gametes of AaBb= 4
New alleles in isolated pop= mutation
Different species on Ecuador island shows= different evolution blah blah
?= Meosis
Gives off most energy= fats
enzymes= control which reactions
Rxn over widest range of pH= peach
Pineapple works @ 50% pH= 4-7 (?)
Works at most neutral pH= banana
Insect bat wing= convergent evolution

  • Tape worms= all 3
    Tube b= proteins
    Direction occurs in= 1 only
    Plate 3= control
    Denaturing 2&3= no directional
    Frog nucleus into other enucleated= frog blastula has necessary … to grow into larvae
    Make Tree bushier= Cut terminal bud
    What is most true about females= egg fertilized in Fallopian tubes
    Why pulmonary veins have more oxygen than p. arteries (?) = (can’t remember what I put… Something like veins came from lungs and have more o2?)
    Normal female= xx only
    X-recessive diseases= affect more males than females
    What does carrot exp. show=carrots in paper bags become more flexible than carrots in plastic bags
    the best treatment to see the effect of light= black plastic bag and clear plastic bag
    why carrots become flexible=water evaporates and cell membrane shrinks.
    the ones that sprouted= higher metabolic rate
    the tertiary consumers= hawks
    greatest amount of energy= Grasses
    How to determine genotype of dominant green plant= cross with homozygous recessive yellow
    Most related on cladogram= C/D
    If onion cells suddenly double in chromosome count= s phase just occurred
    Colon= absorption of h2o
    Growth hormone= from pituitary gland
    Eukaryote, cell wall of chitin, …= fungi
    Leaf has big surface area= increase photosynthesis
    Low shrubs, low precipitation, …= tundra
    Nocturnal animals, daily temp fluctuations, spiny plants= desert
    Plant that produces seeds= angiosperm
    Ectoderm makes= nervous system
    Non-coded things on DNA= introns
    X and Y show= X is more competitive than Y
    carrying capacity for X= 400
  • ?= double then go into equilibrium
    mrna does not have= double nucleotide chains
    Not important for classifying= ecological niche
    Disease affecting cell cycle= cancer
  • Tertiary structure for proteins= E, linear structure of amino acids
    Hydrophobic tails= face inward
    Vitamins= coenzymes
    DNA= makes enzymes
    Insects can’t see= UV light
    carrying capacity for X= 400
    Not cell to cell communication= water diffusion
    Plasma membrane= prevents protein hormones from going through
    Oxidation reduction rxns= electrons
  • Wild type crossed with mahogany eyes= ?
  • Wild type male and female crossed with white eyed male and female produce different flies. This shows= ?
    Occurs in mitochondria= kreb’s cycle
    Photosynthesis= absorption of energy
    Experiment with mature phloem shows= ?
  • HCl mixes with H2O= lowers pH because of ???
    Yeast works best at= 6 pH
    Yeast shows= takes 30 min. to get acclimated
    Enzymes= break molecular bonds ?
    Enzymes= ??</p>

<p>I think that plates 1 and 2 both showed directional growth. Plate 3, on the other hand, had pollen tubes running into each other. Plate 1 had obvious directional growth. Plate 2 had some directional growth - there were 2 pairs of pollen grains going in unique directions, and the remaining pollen grain was going in its own unique direction. But in plate 3 you had colliding pollen tubes.</p>

<p>Plus, the corollary question - the one about denaturing the protein in plate 2, and its answer - no directional growth in either 2 or 3 - hints that there was directional growth in plate 2.</p>

<p>Was the test repeated?</p>

<p>I think everyone else on the forum agreed Tube 1 had directional growth but the other two didn’t. The third one obviously couldn’t because it was a buffer solution. and a control. So no, I’m sticking with what the other guy put. However, seeing as how IceQube has been right on the other ones…(<em>scared</em>)</p>

<p>I can see where you’re coming from, but I thought it was weird if the lab mentioned two different proteins and both proteins resulted in directional growth. Also, the 2nd plate had only 5 or 6 pollen tubes floating and half of them were facing different directions.</p>

<p>I put that fats have the most energy, but isn’t it starch?</p>

<p>@russgenious: I put cell enlargement and division. It hadn’t differentiated yet because it still looked the same.</p>

<p>I’m pretty sure it was only cell enlargement. You could tell from how many cells there were originally to how many cells there were in the latter diagram.</p>

<p>fats carry more energy than carbohydrates. the one thing i knew from biology… LOL</p>

<p>Also both starch and cellulose were potential answers, both of which are polysaccharides. You could eliminate both of them for being redundant answers.</p>

<p>Uh it was definitely reactants combining with other reactants. Ea has nothing to do with breaking bonds</p>

<p>@rm2124, my memory of the test is a little fuzzy now. Did the plant diagram show any increase in size? I don’t mean the individual cells, but the entire actual plant. </p>

<p>Oh sweet, I got the fats/starches one right then :D</p>

<p>for the one with auxin, the plant itself grew along will the cells, but the amount of cells remained constant.</p>

<p>Oh i see what you’re saying. The plant itself grew along with the cells because the individual cells got larger, but the number of cells was constant. Then I probably put that the plant was undergoing cell enlargement.</p>

<p>@alargeblackman14 if you’re talking about the question on M, “By binding the transition-state conformation of the substrate/product molecules, the enzyme distorts the bound substrate(s) into their transition state form, thereby reducing the amount of energy required to complete the transition.” (Quick google search)</p>

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<p>Help me remember the corollary question regarding the pollen tubes. If I remember correctly, it asked what would happen if something that denatures the protein in 2 were added to both plates 2 and 3. </p>

<p>The correct answer was that directional growth would stop in plates 2 and 3. </p>

<p>This implies there was directional growth in at least one of the plates.</p>

<p>e control definitely had no direction growth. neither did number 2. I don’t see any arguments?</p>

<p>@IceQube</p>

<p>Neither of the plates had growth. The correct answer for the corollary question was that “Directional growth would not occur”. Not that it would stop.</p>