The main function of lipids is to: a. provide a source of immediate energy

b. speed up chemical reactions

C. form the boundary of the cell

d. store genetic information

Select all the true statements about the cosmic microwave background radiation

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.

What is the following best defines climate?