A protease enzyme is found in the stomachs of humans. it catalyses the breakdown of long chains of amino acids(proteins) into individual amino amino acid molecules. a)suggest the optimum temperature for the activity of this protease enzyme

b)the stomach contains hydrochloric acid. suggest the optimum pH for the activity of this protease enzyme

c)Explain why the rate of an enzyme_controlled reaction is relatively slow at low temperatures.

d)expalin why the rate of the reaction slows down above the enzyme's optimum temperature.​

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.