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Think of two animals of the same species. One of them has a gene that contains mutation X. Mutation X helps this animal to be better adapted to survive as it makes them stronger, and more likely to find f...

A competitive enzyme inhibitor is a molecule which has a similar structure to the target molecule (substrate). It acts by binding to and blocking the active site of the enzyme. This prevents the substrate...

The derivative of distance with respect to time is velocity.

"Ser" and "estar" are the 2 forms of the verb "to be" in Spanish. The first indicates identity and is more permanent, used in sentences like "I am Naomi" (Yo soy Na...

The passé composé is composed of two parts - the auxiliary verb (avoir or être) in the present tense and the past participle of the verb you want to pu...