Facilitated diffusion is a form of passive transport utilizing membrane proteins. When is facilitated diffusion used rather than diffusion? A) Facilitated diffusion is used when energy is required for transport.
B) Facilitated diffusion is used when concentrations must be more closely controlled.
C) Facilitated diffusion is used when molecules need to move more quickly across the cell membrane.
D) Facilitated diffusion is used when molecules cannot diffuse through the cell membrane , because the lipid bilayer repels the polar molecule.

Blood made up of red and white blood cells work together to form

Clues to ecological principles are given in numerous passages of the bible. a bible study of ecology actually opens the doors to better understanding of god's love and concern for the earth. use a concordance to locate bible passages associated with words concerning our stewardship of the earth. you may use a dictionary to find synonyms for these words: dominion replenish subdue judgment stewardship find each of the passages using these words related to principles of ecology. list all passages by quote, book, chapter, and verse under each word. use your own interpretation to rewrite what you think each verse is saying. after your discussion of each of these words, ask one other person to explain his understanding of the word and a related verse without any hints. summarize what he tells you. a concluding paragraph for each of the words should be written noting similarities and differences between your interpretation and that of each person consulted.

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics