Why is the cell membrane often referred to as a "phospholipid bilayer"

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.

Which of the following best describes the relationship between glucose and complex molecules such as hormones?