How does a catalyst work?

a. by increasing the temperature of a chemical reaction
b. by decreasing the pressure of a chemical reaction
c. by increasing the concentration of reactants in a reaction
d. by decreasing the activation energy of a reaction

Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.