Question

10. Biological systems are A) Open; B) Closed; C) Isolated; D) At equilibrium; E) Eternal. e AGo (in kl/mol) for the reaction: A + BC. D at 25 oC, when the equilibrium concentrations are [A] 5 HM, [B) 3 HM, [C] -15 uM, [D] 10 uM (R81 A) +5.7 k]/mol; B) 5.7 k]/mol: c) +2.3 k]/mol: D) 2.3 k]/mol: E) 0.1 k]/mol. 12. Which of the following is true? A) Hydrogen bonding is a major factor in the structure of gaseous water B) Liquid water has more hydrogen bonds per molecule than does solid water C) Liquid and solid water have the same number of hydrogen bonds per molecule of water D) Solid water has more hydrogen bonds per molecule than does liquid water E) Both A) and B). 13. The pH of blood in normal individuals is 7.4, while starvation and dehydration produce urine with pH as low as 4.5, a condition known as acidosis. The urine sample has A) Nearly 0.608 times [H'] than normal blood; B) Nearly 800 times [H'] than normal blood; C) Lower 0.608 [H'] than normal blood; D) 1.26 x 10-3 higher [H] than normal blood; E) 2.90 times higher [H] than normal blood. 14. Normally, in mammals the body maintains the blood glucose level at a reference range betweer aining 10 mM glucose, and what would be 3.6 and 5.8 mM (mmol/L). It is tightly regulated as a part of metabolic homeostasis. What happen if red blood cells were placed into a solution cont the term that describes this solution? A) The cells will shrink in this hypotonic solution B) The cells will lyse in this hypertonic solution; C) The cells will be just fine in this isotonic solution; D) The cells will shrink in this hypertonic solution; E) The cells will lyse in this hypotonic solution.

Answer 1