Compare and contrast DNA and RNA
What will be an ideal response?
Both DNA and RNA are composed of nucleotides. DNA is a double stranded helix, RNA has only one strand. The sugar in DNA is deoxyribose, in RNA it is ribose. DNA exists primarily in the nucleus, RNA also exists in the cytoplasm.
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In addition to ATP, what are the end products of glycolysis?
A) CO2 and H2O B) CO2 and pyruvate C) NADH and pyruvate D) CO2 and NADH E) H2O, FADH2, and citrate
Cork cambium produces
a. vascular tissue. b. heartwood. c. vascular cambium. d. sapwood. e. secondary epidermis.
Frederick Griffith conducted experiments where nonlethal bacteria acquired the ability to cause lethal pneumonia due to the presence of an unknown chemical. This chemical was later found to be
a. RNA. b. a protein. c. DNA. d. nonhereditary material. e. phosphorus.
Which of the following does not occur in pulmonary emphysema?
a. The alveoli lose their elasticity. b. The surface area of the lung is greatly increased. c. Walls between adjacent alveoli become destroyed. d. The heart becomes enlarged from overexertion. e. Stale air accumulates in the lungs because it cannot be properly expelled.