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Cell Biology CMB1004 Biophysics Exam Questions With 100% Verified Answers

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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...

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  • September 29, 2024
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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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