Create a pedigree for Steven's Family and insert in the space below by clicking Insert > Drawing. Remember to use the appropriate symbols that you learned in Part 1.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

actually the answer is c