During an allergic response, histamines are released by mast cells. these histamines bind to receptors on cells in the local environment only

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Why is it incorrect to say that mitochondria function only as energy factories with cell

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen