What is a cross-bridge?
A. a protein found along the groove of the F-actin double helix
B. a T tubule and two adjacent terminal cisternae
C. the combination of myosin heads with active sites on actin molecules
D. the movement of myosin head while attached to actin myofilament
E. after exercise, the oxygen taken in that exceeds the oxygen required for resting metabolism
C
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The greater the partial pressure of a gas in a liquid, the __________ of that gas is dissolved
Fill in the blank(s) with correct word
Which of the following is NOT part of the mammalian cortical nephron?
a. Bowman's capsule b. Glomerulus c. Vasa recta d. Loop of Henle e. Distal tubule
Which of the following statements regarding the nasal septum is correct?
A) The nasal septum may be slightly deviated to one side or the other. B) The nasal septum is comprised mainly of cartilage. C) Inflammation of the nasal septum is common during infection. D) The nasal septum separates the oropharynx and nasopharynx
Inflammation of the urethra is called ________
A) pyelonephritis B) urethritis C) cystitis D) glomerulonephritis