In the systemic capillaries, the enzyme carbonic anhydrase catalyzes the conversion of to , which then moves red blood cells in exchange for .

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations