Which one of these is not a reason that cells require the ability to diffuse materials across their membranes a. water and oxygen are obtained this way b. to maintain homeostasis or balance c. no energy is required for this process d. to move carrier proteins

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

Which statement best describes the role of religion and culture in ancient medicine?