The molecule paraffin has the formula C20H44. What does that tell you about the molecule?
A) It is a protein. B) It is polar.
C) It is a nucleic acid. D) It is hydrophobic.
D
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Amino acids are building blocks of ________.
What will be an ideal response?
Which of the following is a normal response to excessive loss of body heat in a cold environment?
A. Sweat glands become active. B. Dermal blood vessels constrict. C. Smooth muscles relax. D. Dermal blood vessels dilate.
Both divisions of the autonomic nervous system affect target organs through the controlled release of chemicals known as ________.
Fill in the blank(s) with the appropriate word(s).
During the radical hysterectomy of a 52-year-old woman, the surgeon is careful to avoid damaging the ureters when removing the uterus. The landmark relationship that the surgeon should look for adjacent to the uterus to ensure preservation of each ureter is the ureter coursing
A. inferior to the ovarian artery B. superior to the ovarian artery C. inferior to the uterine artery D. superior to the uterine artery E. inferiortotheuterinetube F. superior to the uterine tube