Both the codons uuu and uuc specify the amino acid phenylalanine. what is the term for this phenomenon?

Which of these best describes an ionic bond?

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?