Sickle cell disease is passed on from parent to offspring. Sickle cell disease is an _ disease. Some carriers of the disease exhibit increased resistance to malarial parasites. This resistance is a _ mutation.

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 !

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.