Which statement BEST describes the relationship between MPF and the cell cycle? A. Cyclin binds with an enzyme to produce MPF Cyclin, and as its concentration rises, it promotes mitosis. B. Cyclin binds with a factor to produce MPF enzyme, and as the enzyme's concentration decreases, it promotes mitosis. C. The MPF Cyclin concentration remains constant, as the rise and fall of the MPF enzyme controls the cell cycle. D. The MPF Cyclin concentration increases and decreases in a cycle, but does not control the cell cycle.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Be in this im starting a with you so if you want you can get a partner for this. but basically im going to assign you guys a biome and you have to have a big sheet paper and you will turn it into 4 squares. the top right square is will be a drawing square for a drawing you will make of your biome. the top left square is about the biomes plants and drawings of them. the bottom left square is about the biomes animals. the bottem rights square is about the description of the biome. leave a comment or an answer and i will assign biomes. if your request one thats the one you get. send me a link to the project and i will grade ! im not a teacher btw.

As molecules are formed from metabolism, entropy __ and the universe becomes less disordered. a. is decreased b. is increased c. moves closer to equilibrium d. is unchanged