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

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The tubular part of the uterus that extends downward into the upper vagina is the

A) fundus. B) endometrium. C) perimetrium. D) cervix.

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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

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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