Best Answer: centerioles (or centrosomes--some books now call centrioles centrosomes but some books say only animal cells have centerioles) 2. centrosomes are found in plant cells 3.The interphase is a preparatory phase and during this the-nucleus and cytoplasm remain metabolically and synthetically active. The duplication of chromosomal DNA molecules takes place during the S phase of interphase.
Evolution is the process by which modern organisms have descended from ancient ancestors.
Mutation. Definition. noun, plural: mutations. (general). A change in or the process of changing, e.g. nature, form or quality. (genetics). (1) A permanent, heritable change in the nucleotide sequence in a gene or a chromosome; the process in which such a change occurs in a gene or in a chromosome.utation. Definition. noun, plural: mutations. (general). A change in or the process of changing, e.g. nature, form or quality. (genetics). (1) A permanent, heritable change in the nucleotide sequence in a gene or a chromosome; the process in which such a change occurs in a gene or in a chromosome.