Primary lactose maldigestion results from . a. lactase insufficiency
b. drinking lactose-fortified milks
c. bacteria inhabiting the small intestine
d. living in such locations as Mexico, China, Africa, or the Mediterranean

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates

Which enzymes break down carbohydrates?