Answer:
a .Bromelain extract is a blend of protein-processing (proteolytic) chemicals and a few different substances in littler amounts. The proteolytic catalysts are sulfhydryl proteases; a free sulfhydryl gathering of a cysteine amino corrosive side chain is required for work. the monomer of this enzyme is aminoacid.
b.Bromelain isolates the amino acids in the compounds that cause browning by breaking the peptide bonds.
D: needs to be present on both chromosomes to be expressed
Why: Because if there was a dominant trait present, then the dominant trait would overpower the recessive trait regardless of the matter.
Benign tumor..............