Ineed "asap"!which of the following describes a cell structure that a gram-negative bacterium has that a gram-positive bacteria does not have? a. an extra layer that is outside the peptidoglycan layer of the cell wall b. a membrane-bound mitochondrion in which energy for the cell is made c. an electrically charged sugar molecule that is attracted to sodium ions d. a membrane-enclosed nucleus in which dna is stored and protected

Match the type of adaptation to the correct example, structural adaptation functional adaptation behavioral adaptation example type of adaptation elephants live in herds to protect their young leaves of a rain forest plant species have a pointed tip that enables rainwater to drain off easily. camels have nostrils that they can close snakes produce venom to kill prey and defend themselves. earthworms coil when touched, as part of a defense mechanism. human skin darkens with increased exposure to sunlight.

Iwanna go do something with my ideas? ?

What organ is the first to receive nutrients that have been absorbed from the digestive tract?