Ahypothesis is a possible explanation that can be tested by an ober servation or experiment. true or false

Asap! how does the distance between two objects affect the force of gravity? how is the moon dependent on the sun?

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.

Look at the inheritance patterns. what do you notice? can a single offspring inherit both chromosomes from one parent?