If you expose a photosynthesizing plant to water that contains both radioactive H and radioactive O, in which of the products of photosynthesis will the radioactive H and O show up?
A) H and O both in glucose
B) H in glucose; O in water
C) H in water; O in glucose
D) H in glucose and water; O in O2
Answer: D
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If a biochemist discovers a new molecule, which of the following pieces of data would allow her to draw the conclusion that the molecule is a steroid hormone?
I) The molecule is lipid soluble. II) The molecule is derived from a series of steps beginning with cholesterol. III) The molecule acts at a target tissue some distance from where it is produced. IV) The molecule uses a carrier protein when in an aqueous solution such as blood. A) only I and III B) only II and IV C) only I, III, and IV D) only II and III E) I, II, III, and IV
The practice of using bacteria to remove pollutants from the environment is called ________.
A. Transduction B. Bioelimination C. Nitrogen fixation D. Bioremediaton
Which molecule is INCORRECTLY matched
with its component part?
a. fat: fatty acid. b. starch: glycerol. c. protein: amino acid. d. glycogen: glucose. e. nucleic acids: nucleotide
A pharmaceutical company is developing a new drug to treat a rare disease. They need to determine which of the cell's proteins can bind the drug. What tool can help them survey the proteome for drug interactions?
A. DNA microarray B. protein microarray C. SAGE D. using a monoclonal antibody E. ENCODE