Bio Final 07

Bio Final 07 - Final Examination, 2007 Biology 131 Final...

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Final Examination, 2007 Biology 131 Final Examination, April 29, 2007 This examination is in two parts. First is a multiple-choice part, and your answers will be put on the attached Scantron sheet. Be sure to print your name on the sheet. The second part of the exam consists of quantitative problems and short essays to be answered in the space provided. Be sure to print your name on all of those pages. When you are finished, turn in the Scantron sheet and pages with the written answers; you should keep the multiple-choice questions. Page 3 is blank and may be used for calculations. ln [] o x i z RT z FZ x V x = Vm V X X mV X X x o i o i == 25 58 ln log 21 2 1 1 2 ( ) ( ), at equilibrium, = 0. PP ss ΔΨ=Ψ −Ψ = Ψ −Ψ − Ψ −Ψ ΔΨ ,for a monovalent cation, X. or a diavalent ion, the above equations must be divided by 2 (z=2), thus in 3, 2 and 1 dimensions, respectively. he pressure generated by the meniscus of water: P = -2T/r c , where T is the surface 1 Pa onstants, Algebraic Relationships, and Conversion Factors 100 = 2; log 1000=3, etc. log (A B) = log = 1 + 0.7 = 1.7 Avogad 6x10 As prefixes to units, , n = 10 -9 , K = 10 3 Spe / λ , J = -D Δ C/ Δ x; J = -P Δ C F V Ca = 29 mV log (Ca o /Ca i ). For a monovalent anion such as Cl - , z = -1, so VV V mio =− V Cl = -58 mV log (Cl o /Cl i ). F = 10 5 coulomb/mol (RT/F) = 25 mV where C n refers to the concentration of the n different solutes in the solution. Thus, t increases with L 2 , so t = L 2 /6D, L 2 /4D, L 2 /2D. T tension of water (7 x 10 -8 MPa m) and r c is the radius of curvature of the meniscus. = 1 joule/m 3 ; 1 atm = 0.1 MPa = 760 mmHg 10 m H 2 O. C log 1=0; log 10 = 1; log 2 0.3; log 3 0.5; log 5 0.7; log log (A/B) = -log(B/A) = log A – log B A + log B; thus log 50 = log 10 + log 5 log(10 x ) = x 23 ro’s number = 1 μ m = 10 -3 mm = 10 -4 cm 1 L = 10 3 mL = 10 3 cm 3 c = 10 -2 , m = 10 -3 , μ = 10 -6 ed of light in vacuum, c = 3 x 10 8 m/s; energy of a quantum, E = hc h = 6.6 x 10 -34 joule s LD D t D t = 642 t ,, 3 2.5 10 2.5 s jn n nn Joules L MPa R TC C C mole mol Ψ=− =− • ∑∑ () P = −Π Ps Ψ=Ψ +Ψ 1
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Final Examination, 2007 Nucleotide Bases. Henry’s Law: C x = K x P x . K O2 = 0.03 mL O 2 / L torr K CO2 = 0.60 mL CO 2 / L torr N H O HN NH 2 O O 2 N N N H N N N H N 2 N N H O N H O Adenine (A) Guanine (G) Uracil (U) Cytosine (C) Thymine (T) O HO O H OH H H H H OH O H H H H OH OH 1' 5' 1' 5' O N + O 2
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Final Examination, 2007 3
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Final Examination, 2007 All multiple choice questions are worth 2 points. Put your answers on the Scantron sheet. The structures labeled “A” in the electron micrograph below are found in the end of the axon of a vertebrate motor neuron. Questions 1-4 relate to this figure. 1. What are the structures labeled “A”, what do they contain, and what are they doing? a. Ribosomes containing mRNA, engaging in protein synthesis b. Vesicles containing serotonin, fusing with the nuclear membrane. c. Vesicles containing calcium, releasing it into the synaptic cleft.
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Bio Final 07 - Final Examination, 2007 Biology 131 Final...

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