Two or more polypeptides chains combine to form a complex structure called a ________
A) primary structure
B) beta-pleated sheet
C) secondary structure
D) tertiary structure
E) quaternary structure
E
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The total number of bones in the bilateral upper extremities and shoulder girdles is 64.
Answer the following statement true (T) or false (F)
What would be the effect on a pregnancy if the placenta failed to begin functioning during the third month of gestation?
A) There would be no effect on the pregnancy. B) The pregnancy could not continue. C) The corpus luteum would continue hormone production as an alternative source until birth. D) The fetus would be born prematurely. E) None of the answers are correct.
Definitive treatment for a patient with end-stage renal disease involves:
A) renal dialysis. B) diuretic therapy. C) crystalloid fluids. D) kidney transplant.
Which of the following has a connective tissue capsule that encloses the lymphatic tissue?
A. Appendix B. Tonsils C. Lymph nodes D. Peyer's patches