Serological testing can be used to test each of the following except ________.
A. skin
B. blood serum
C. urine
D. cerebrospinal fluid
E. saliva
Answer: A
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Which of the following produces new cells that are genetically identical to the original cell?
A. meiosis B. mitosis C. crossing over D. independent assortment E. fertilization
Consider the metabolism of a chlorophyll-based phototroph. In oxidative phosphorylation during cell respiration, the source of energy is ________ whereas in photophosphorylation the source of energy is ________.
A. ATP; light B. highly reduced organic compounds; light C. NADH; NADPH D. electron transport chain; chlorophyll
Which animal nurses its young, has forward facing eyes, nails on its fingers and toes, and a moist nose?
a. a lemur b. a tarsier c. a bird d. a new world monkey e. a human
Which of the following uses CO2 for carbon and H2 for energy?
A) chemoautotroph B) chemoheterotroph C) photoautotroph D) photoheterotroph