Why would a newborn that makes lactase be healthier than one who does not

What re the two main phrases of the cell cycle.

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?