Which part of an organism is preserved in cast and mold fossils? a. skin b. bone c. muscle d. soft tissue

bones

Explanation:

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

"do a testcross with a homozygous recessive plant."