Which statement accurately describes an enzyme? An enzyme is used only once and increases the rate of a chemical reaction by raising the activation energy.
O An enzyme is used only once and increases the rate of a chemical reaction by lowering the activation energy.
An enzyme is reusable and increases the rate of a chemical reaction by raising the activation energy.
An enzyme is reusable and increases the rate of a chemical reaction by lowering the activation energy.

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

Grade 91.)the gravitational pull from the moon words).2.) what is the rate of gravitational 3.)if you drop a hammer, is it more likely to drop handle side down, head side down, or equal chance that it will land either way? why? 4.)a car moves 60km east and 90km west.a.) what is the distance the car traveled? b.) what is the car's displacement5.)what is the average velocity of a car that moved 60 km south in 3 hours? 6.) a car starts from rest and acceleration to 60 m/s over a time of 5 seconds. what is the acceleration of the car? 7.)what is the speed of an object at rest?