Even though human proteins are synthesized from only 20 different amino acids, there are thousands of different proteins found in human cells. This great variety of proteins is possible because of the:
a. size of a specific amino acid can vary within a protein
b. chemical composition of a specific amino acid can vary
c. sequence and number of amino acids can be different in each protein
e. same amino acid can have many different properties

Which is an internal barrier to seeking with mental problems? a) lack of parent permission b)complex mental health system c) difficulty paying for servicesd) cultural and religious conflicts

What condition is most likely present when a normal p wave is negatively deflected?

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.