The genome sequences of different individuals are
A) always different. B) about 99.9% alike.
C) always identical. D) about 90% alike.
B
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The most severe type of skin cancer is most likely to develop from
A) nonpigmented epithelial cells. B) melanocytes. C) pigmented basal cells. D) nonpigmented dermal cells. E) keratinocytes.
Which of the following is a pivotal molecule associated with the external surfaces of aggregated platelets and is involved in the intrinsic and extrinsic mechanisms of blood clotting?
A) PGI2 B) PF3 C) Thrombin D) Thromboplastin (prothrombin activator)
What structural classification describes this neuron?
A. nonpolar." B. multipolar. C. bipolar. D. unipolar
Concerning oxygen transport in the blood, which of these statements is NOT correct?
a. most of the oxygen in the blood combines reversibly with hemoglobin b. oxygen combines with the iron of the heme group of hemoglobin to form oxyhemoglobin c. a low pH reduces the amount of oxygen released in the tissue capillaries d. an increase in temperature increases the amount of oxygen released in the tissue capillaries