In photosynthesis, what gives energy to the electron moving through the electron transport chain? A. water B. NADPH C. light D. ATP

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

How does the molecular clock work? a. it analyzes the brain functionality of two different species. b. it examines and compares the physical characteristics of two different species. c. it illustrates relationships between two different species. d. it compares the number of mutations that exist in the dna of two different species.

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons