January 2011 - Biology (E/M)

Test Preparation SAT Subject Test Preparation
41

<p>@daredevil: it was coevolution</p>

42

<p>but was it asking for the number of chromosomes in the abnormal gamete? so wouldnt that be 25? i put 49 but now im not so sure…</p>

43

<p>for the 49 chromosomes - was that the last questoin??</p>

<p>i put spleen for the differentiation of lymphoctyes…hm…</p>

<p>for the karyotype question : what was the answer to the 3rd question? about the abnormal gamete & the normal gamete – i think i put 24 ??</p>

44

<p>does anyone remember the number choices for the karyotype one?</p>

45

<p>a) 23 b) 24 c) 25 d) 48 e)49</p>

46

<p>i’m pretty sure it was
A - 23
B - 24
C - 25
D - 48
E - 49</p>

47

<p>I think it was 23 24 48 49… and 25? i think… I couldn’t really decide how to count the chromosomes, the downsyndrome would have had an extra 21 chromosome… so… Maybe 49? or… 25 now that I think of it …</p>

48

<p>eh. i think it asked for how many chromosomes in the abnormal gamete ? i got it wrong anyways : ( :frowning: : (
what did you guys put for the one about the spleen & lymphocyte differentiation.?</p>

49

<p>what was the answer choice for the spleen?</p>

50

<p>Since the haploid number is 24, the abnormal gamete would carry 25…
cause 24 + 25 = 49, with trisonomy</p>

51

<p>it asked for the number in the gamete, and gametes carry a haploid number. so 24 + 1 = 25. 49 would be the number of chromosomes the zygote would have</p>

52

<p>the spleen question was: why is there a lag between when a foregin protein is first introducted to when there is specific anti- that disease antibodies??</p>

53

<p>Gah… I’ll be lucky if I get a 700 I feel…D:</p>

54

<p>@lacamotif: i put that it was due to the replication of already differentiated lymphocytes in preparation for making antibodies. or something along those lines.</p>

55

<p>oh darnn !!! i got 2 wrong already. what was the answer to the starling control population again? i put virus…but idk anymore…</p>

56

<p>What was the answer for linked genes? I drew a blank lmao…</p>

57

<p>what was the question?</p>

58

<p>only vaguely remember that question. they have to be on the same chromosome tho.</p>

59

<p>guys we should do this in an orderly way… meaning, just say out ALL the questions you remember…and then we’ll answer/ debate out them and create a list of questions we know & don’t know</p>

60

<p>sounds good. should we do the general part first?</p>