The human genome consists of approximately ________ pairs of nucleotides.
A. 300,000
B. 3000
C. 3 million
D. 3 billion
Answer: D
Anatomy & Physiology
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When food molecules enter the cell and undergo chemical changes there, the process is called:
a. assimilation b. digestion c. absorption d. nutrition
Anatomy & Physiology
The tubular part of the uterus that extends downward into the upper vagina is the
A) fundus. B) endometrium. C) perimetrium. D) cervix.
Anatomy & Physiology
Which of the following is a bony feature of the lower torso?
A. Umbilicus B. Linea alba C. Serratus anterior D. Rectus abdominis E. Iliac crest
Anatomy & Physiology
Contraction of smooth muscle requires:
A. myosin light-chain phosphorylation B. Ca++-dependent activation of calcineurin C. binding of Ca++ to troponin C D. an action potential in the smooth muscle cell E. inhibition of Rho kinase
Anatomy & Physiology