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PODA EXAM 1 TOPHAT QUESTIONS 2024 WITH 100% CORRECT ANSWERS!!
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PODA EXAM 1 TOPHAT QUESTIONS 2024 WITH 100% CORRECT ANSWERS!!
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PODA EXAM 1 TOPHATQUESTIONS 2024 WITH
100% CORRECT
ANSWERS!!
PODA
Evatee 8/28/24 PODA
, PODA EXAM 1 TOPHAT QUESTIONS 2024
WITH 100% CORRECT ANSWERS!!
Which of the following statements is true? Answer - Free energy change is
equal to zero at equilibrium
Noncovalent associations between neutral molecules are due to forces known
generally as ________ forces Answer - van der Waals
T/F: The hydrophobic effect is the movement of solvent across a
semipermeable membrane from a region of high solvent concentration to a
region of lower solvent concentration Answer - false
What is the concentration of hydrogen ions at pH 3? Answer - 10^-3 M
T/F: It is important to maintain biological molecules in a buffered solution
because many biological molecules contain ionizable groups so that they are
sensitive to changes in pH Answer - True
Which of the following will be the best buffer at pH=7.5? Answer - HEPES
(pK=7.47)
Which amino acid side chain is most likely to be negatively charged at pH 7?
Answer - Aspartic acid
T/F: Threonine and isoleucine have two asymmetric centers. Answer - true
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