Cell Biology CMB1004 Biophysics Exam Questions With 100% Verified Answers
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Course
CMB1004
Institution
CMB1004
Cell Biology CMB1004 Biophysics Exam
Questions With 100% Verified Answers
What amphipathic molecules? - answerMolecules that have both a polar and a non polar region
In terms of water, what is a hydration shell of interaction? - answerWater molecules will
surround the polar/charged molecules in...
Cell Biology CMB1004 Biophysics Exam
Questions With 100% Verified Answers
What amphipathic molecules? - answer✔Molecules that have both a polar and a non polar region
In terms of water, what is a hydration shell of interaction? - answer✔Water molecules will
surround the polar/charged molecules in a cage
Why is water good at dissolving charged/polar molecules? - answer✔Water is dipolar, so it can
hydrogen bond with itself and other molecules
Why does water have an unusually high boiling point? - answer✔It can hydrogen bond with
itself
What does solubility in water depend on? - answer✔How polar the molecule is, more polar is
more soluble
What is the definition of 1 mole? - answer✔1 mole = 12g of carbon-12
How many particles are in a mole? - answer✔6.022x10^23
What is molar mass? - answer✔Mr in g/mol
What is M- Molarity? - answer✔Concentration mol/L
What is Brownian motion? - answer✔Molecules will move randomly due to many collisions
with other molecules in a solution
What is the mean free path of molecules? - answer✔time without any collisons
What is diffusion? - answer✔Net flux of molecules down a concentration gradient due to random
thermal motion
Movement of molecules in a solution is - answer✔Random
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