The cofactor shown below: NH2 NH2 он -O- он он 1) is an oxidizing agent O 2) is a reducing agent O 3) is a carrier of acyl groups 4) is nicotinamide adenine dinucleotide phosphate
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- Where do each of these 5 main themes occur in the chymotrypsin mechanism? 1) substrate specificity 2) induced fit 3) covalent catalysis 4) acid/base catalysis 5) transition state stabilizationWhich of the following pathways is likely to NOT be directly affected by the antimetabolite drug methotrexate? a. Production of purine deoxyribonucleotides b. Production of purine ribonucleotides c. Production of thymidylate d. Production of pyrimidine ribonucleotidesWhy are mint flavored foods containing menthol perceived as cold and foods containing the chemical capsaicin (The active ingredient in hot peppers) perceived as hot?
- When Penicillin G binds to it's target molecule, what part of the Penicillin molecule fits into the active site?Which one of the following is NOT a biochemical property associated with exotoxins Group of answer choices binding to cholesterol N glycosidase activity peptidase activity ADP ribosyl transferase activity cAMP activityCarbon monoxide competes with hemoglobin for 02 binding, resulting in toxicity. Is it possible that carbon monoxide is an allosteric effector? No, since it competes with the molecule O for the active site. Yes, since it will minimize the amount of 02 binding. O Yes, since it competes with the molecule O for the active site. No, since it is a negative effector that reduces 02 binding.
- What if C-1 of the oxaloacetate were labeled instead, when would the label be released as CO2?What are the donor atoms involved in Aspartame-Cu(II) binding? A) Nitrogen atom of alpha amine group of Aspartic acid and an oxygen atom of alpha carboxyilic acid group of Aspartic acid B) Nitrogen atom of alpha amine group of Phenyl alanine methyl ester and an oxygen atom of alpha carboxyilic acid group of Aspartic acid C) Nitrogen atom of alpha amine group of Aspartic acid and an oxygen atom of alpha carboxyilic acid group of Phenyl alanine methyl ester D) Oxygen atoms of the dipeptide Aspartame E) Nitrogen atom of alpha amine group of Aspartic acid and an oxygen atom of carboxyilic acid group of the R group of Aspartic acidWhat is the oligodynamic effect? To which chemicals does the term oligodynamic effect apply? Give 2 examples of antiseptics based upon the oligodynamic effect.