B30: 2: Cellular respiration involves a series of chemical reactions. Which of the
following is a primary way that enzymes affect these reactions?
O a) They decrease the pH of the products.
u
b) They change the location of the reactions in the cell.
C) They take the place of oxygen as a reactant.
d) They increase the rate of the reactions.

Which are forms of nitrogen that are usable by humans

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.