UNE Medical Biochemistry Exam 1 Questions and Correct Answers/ Latest Update / Already Graded

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UNE Medical Biochemistry Exam 1 Questions and Correct Answers/ Latest Update / Already Graded

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Course UNE Medical Biochemistry

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UNE Medical Biochemistry Exam 1 Questions and Correct Answers/ Latest Update / Already Graded

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UNE Medical Biochemistry Exam 1
Questions and Correct Answers/ Latest
Update / Already Graded
what percentage of water is in the body?

Ans: 60%

Relationship between protons and acids & bases

Ans: Acids donate proton. Bases accept proton

Strong Acids Vs Weak Acids

Ans: Strong acids fully dissociate (100%) and weak acids
partially dissociate

properties of water

Ans: dipole dipole
polar
H bonding
dissolves electrolytes ( CL /Na)
Small Kd- doesn't dissociate alot

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, Page |2

kw ion product

Ans: 10^-14

pH

Ans: -log[H+]

biological PH

Ans: 7.4

types of buffers

Ans: phosphates, bicarbonate, proteins

Buffers

Ans: weak acid and conjugate base

Ka

Ans: how well acid can dissociate

pka

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, Page |3

Ans: -log(Ka)
50%dissociation

Buffers work best when?

Ans: ph=pka
within +/- 1 ph unit of pka

Henderson-Hasselbalch equation

Ans: pH= pka + log A-/HA

pH<pKa

Ans: protonated

pH>pKa

Ans: ionized

amino acids are linked together by

Ans: peptide bonds between carboxyl and amino group

what's special about histidine pka?

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