The human genome consists of
A. DNA, most of which does not encode protein.
B. DNA, most of which encodes RNA.
C. protein, most of which does not encode DNA.
D. DNA, most of which encodes protein.
Answer: A
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You're resting on the couch watching TV. Which of the following is the most likely reflection of the values in your body? Regarding the partial pressures of O2 and CO2, which of the following statements is true in a normal person at rest?
A. The PCO2 in the air is approximately 40 mmHg and the alveolar PCO2 is approximately 60 mmHg. B. PCO2 in the pulmonary arteries is less than pulmonary venous PCO2. C. Atmospheric PO2 is approximately 100 mmHg and the alveolar PO2 is approximately 160 mmHg. D. The PO2 in the systemic arteries is approximately 100 mmHg and the alveolar PO2 is approximately 105 mmHg. E. PCO2 in the systemic veins is less than systemic arterial PCO2.
Which vessels have the highest blood pressure?
A) capillaries B) veins C) arteries D) venules
List and explain the five survival needs of humans
What will be an ideal response?
You would expect an injection of an opiate drug into the ventral tegmental area (VTA) would activate dopamine neurons in the:
a) nucleus accumbens. b) medial septal region. c) periaqueductal gray matter. d) preoptic area.