If you go on mc3.edu/admissions/applying-to-mccc/testing-and-assessment/assets/biology-placement-test.pdf page 11 it will tell you all the answers to your questions....
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. ... Humans play a major role in the carbon cycle through activities such as the burning of fossil fuels or land development.
<span> Pituitary hormones regulate </span>growth<span> from </span>infancy<span> to </span>adulthood<span> and the amount of water in the blood.</span>
Answer: e. All of the above
Explanation:
The processing of mRNA to a fully mature eukaryotic mRNA requires addition of a 5' cap (Capping) and 3' poly(A) tail ( polyadenylation) to the ends of the transcript, and removal of any intervening introns by splicing. Once processing is completed, the mRNP, which consists of mRNA and associated proteins, is ready for export from the nucleus.
<em>Diffusion</em> is random movement of molecules but has a net direction toward regions of lower concentration in order to reach an equilibrium.
