What substances form the cyclin-cyclin depen- dent kinase combinations that control the stages
in the cell cycle?
A . fats and protein
B. carbohydrates and protein
C. protein and enzymes
D. fats and enzymes

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Why is it important that fibrin is insoluble in water?

The location of the stomach is the diaprham

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind