According to the textbook, what role does the stomach play in feelings of hunger? a. pressure receptors in the stomach walls signal fullness or emptiness. b. fullness receptors and stomach contractions both play a role. c. stomach contractions signal the brain that it is time to eat again. d. pleasure receptors within the lower intestine, not the stomach walls, signal fullness or emptiness.

How does the study of genetic disorders such as pku biologists understand normal alleles?

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis