Which body type has a stocky build and tends to gain both muscle mass and body fat easier than other body types?

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

Moving down the ramp from 6 meters to

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.