Which of the following is NOT true of RNA?
A. It has a helical structure.
B. It is single stranded.
C. It has ribose sugar.
D. It has uracil instead of thymine.
Answer: A
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Which of the following would provide no benefit to a person suffering any one of the various types of anemia?
A) treatment with synthetic erythropoietin B) supplemental bilirubin injection C) supplemental oxygen delivered by mask D) blood transfusion
Which of the following hormones is synthesized by the hypothalamus?
A. ADH (antidiuretic hormone) B. TSH (thyroid stimulating hormone) C. ACTH (adrenocorticotropic hormone) D. MSH (melanocyte stimulating hormone) E. T3 and T4
Which of the following is most likely to cause anemia?
A) Renal disease B) Air pollution other than by carbon monoxide C) High altitude D) Any factor that creates a state of hypoxemia E) Smoking
Which of the following is NOT a function of the heart?
A. Maintains the acidity level of the blood B. Serves as an endocrine gland C. Creates blood pressure D. Keeps oxygen-poor blood separated from oxygen-rich blood