Which of the following fossil types is best described as forming when minerals replace all or part of an organism's body? A. a mold
B. a petrified fossil
C. a cast
D. a trace fossil

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;