What is the active site of an enzyme?

the hydrogen atoms that can form hydrogen bonds

the section of the molecule that interacts with a substrate

the carboxylic acid group at the end of the protein chain

the group of amino acids in the middle of the protein chain

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false