Normally, what is the relationship of the amount of sodium excreted to the amount ingested that day? a. at extremes of intake, they are unrelated; at normal intake, intake is greater than excretion. b. intake is higher. c. excretion is higher. d. excretion is unrelated to intake. e. intake and excretion are equal.

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

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.

When a chemical spill has occurred on your clothes you should 1. scream for 2. run under the shower and turn it on 3. use the eye wash station 4. grab the first aid kit