Which of the following describes the drag created by a pressure differential between the lead and rear sides of a body moving through a fluid?
A. form drag
B. profile drag
C. surface drag
D. both A and B above
D. both A and B above
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Which of the following is NOT true about phospholipids?
a) They contain a glycerol backbone. b) The head group is polar. c) The molecule is an important part of cell membranes. d) The tail groups are nonpolar. e) They are a major form of energy storage.
A champion weight lifter picks up a pencil. A minute later she picks up a sixty-pound object using the same muscles. What was different about the two movements?
Also, what are the differences (at the cellular and molecular levels) in her arm muscles as compared to those of a weaker, untrained person? What will be an ideal response?
Answer the following statements true (T) or false (F)
1) Buttock refers to the portion of the body you sit on. 2) The anatomical term for ankle is tarsus. 3) Popliteal means foot. 4) Mental refers to the chin. 5) Manus means hand.
Which of these muscles can extend the hip?
A) Gluteus Maximus B) gluteus medius C) gluteus minimus D) Tensor fasciae latae E) sartorius