What is the main function of the nucleolus? it produces enzymes that are then exported to the lysosomes. it produces cell adhesion proteins that are then exported to the cell membrane. it is the site of photosynthesis in photosynthetic cells. it is the site of ribosome-subunit synthesis. its function is not yet known?

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.