Lactose is a carbohydrate found in milk. The enzyme lactase, made of amino acids, is
needed to catalyze the reaction of breaking
down lactose in the small intestines. Which
statement best describes the difference
betvieen reactions with and without
enzymes?

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

The location of the stomach is the diaprham

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down