How does what you feel when pushing the magnets together compare with what you feel when pushing on the spring?

Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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.