Agene is:
a. a random sequence of nucleotides that contains no information
b. all of the genetic information inside the cell
c. a segment of dna that codes for some specific trait for the organism
d. a component of dna that is identical in all living organisms

Twind is considered to be an abiotic factor because it.?

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.

Does anyone know what the schooling version of sos mean? example