Enzymes that move certain phospholipids between leaflets have also which of the following properties? a. play a role establishing and maintaining membrane lipid asymmetryb. transport proteinsc. blocks post-synaptic membraned. interacts with neighboring epithelial cells, or basal membranee. all of these are correct.

This female hormone, stored in the posterior pituitary gland, stimulates the contractions of the uterus during childbirth. what is this hormone?

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.