Synthetic plastics are
A) oxidized completely to carbon dioxide after a few years under aerobic conditions.
B) partially degraded into branched chain and polyaromatic hydrocarbons.
C) degraded slowly under anoxic conditions.
D) extremely recalcitrant to microbial degradation.
Answer: B
You might also like to view...
The human papilloma virus E6 and E7 genes exemplify:
A. tumor suppressor genes B. oncogenes C. protooncogenes D. CDK inhibitors E. cyclin-dependent kinases
A rat that learns not to approach a certain part of a cage because it has received a shock there exhibiting ____.
A. operant conditioning B. shock therapy C. desensitization D. mirroring E. observational learning
You conduct a study with mice to determine whether giving them air with a higher-than-normal oxygen level results in their having a higher-than-normal oxygen content in their blood. What vessel should you draw blood from if you want to measure the
highest potential level of oxygen content in the blood? A) superior vena cava B) pulmonary vein C) pulmonary artery D) inferior vena cava
Which of the following devices is used for PCR?
A) an electrophoresis chamber B) a gene gun C) a DNA sequencer D) a thermocycler E) a nucleic acid synthesis machine