MCAT PRACTICE EXAM QUESTIONS | WITH 100% CORRECT ANSWERS | LATEST UPDATE | GRADED A+
Thin layer chromatography can use silica plates which are very polar. Will polar or non polar substances have lower Rf values on this plate? ANS -Polar substances - they will have a higher affinity for the silica and thus will not travel as far as the non polar substances A titration of a strong acid with a strong base or vice versa has an equivalence point around what pH? ANS -7 What type of bond is usually disrupted during denaturation of proteins? ANS -H bond Is uracil a purine or pyrimidine? ANS -Pyrimidine (A is a purine, so must be paired with a pyrimidine, also U replaces T, and T is a pyrimidine) Are peptide bonds highly reactive?
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