Timothy is putting fertilizer on a field after planting some crops. The directions on the barrel state to use 0.75 quarts for each acre of land. Approximately how much fertilizer will Timothy need for two fields, one that is 22.5 acres and one that is 38.25 acres? A. 45.6 quarts B. 42.5 quarts C. 60.8 quarts D. 75 quarts

Variety of living organisms; includes genetic, species, and ecological types.

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.