Cyanide blocks the utilization of oxygen at the cellular level by:
A) binding to monoamine oxidase.
B) directly destroying red blood cells.
C) binding to the hemoglobin molecule.
D) combining with cytochrome oxidase.
Answer: D) combining with cytochrome oxidase.
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For some virulent phages, fragments of the host DNA may be included in the heads as the viral particles assemble,
providing the basis for ____.
a. transformation b. transmutation c. metabolism d. specific transduction e. generalized transduction
Select the correct statement regarding the human female reproductive system.
A. The ovarian fimbria is the functional unit of the ovary. B. The granulosa cells secrete testosterone, which triggers menarche. C. The Fallopian tubes transport ova from the ovary to the uterus. D. The cervix contains corpora cavernosa tissue, which is a type of erectile tissue. E. The uterus is lined with granulosa cells.
When examining a mutant mouse, you notice that its skeletal muscle looks very uniform, lacking in striations. To figure out what the mutation is in this mouse, you would begin by looking at
A. sarcomere organization. B. the retention of calcium in the endoplasmic reticulum. C. tendons. D. the blood vessels in the muscles. E. the sheath around muscles.
Which of the following describes a company that is primarily based within one country but sells its products in other countries?
a. global organization b. domestic organization c. international organization d. multinational organization