When earth first formed it was completely covered by oceans
a. true
b. false
Answer: b. false
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What is the correct sequence of events during translation?
A. Initiation, elongation, initiation B. Elongation, initiation, termination C. Termination, elongation, initiation D. Initiation, elongation, termination
Carbohydrates normally function in animals as
A) energy-storage molecules. B) the functional units of lipids. C) sites of protein synthesis. D) enzymes in the regulation of metabolic processes. E) a component of triglycerides.
Which of the following statements about plant toxins against herbivores is false?
A. Even a little bit of the toxin will be deadly. B. The toxin may not be toxic unless it is metabolized in the intestine of a herbivore. C. Some toxins can over stimulate particular physiological processes. D. The toxin may have also have a bad taste. E. The toxin may be kept in a membrane-bound structure to keep it from harming the plant.
Burkholderia was reclassified from the gammaproteobacteria to the betaproteobacteria because
A) it grows in disinfectants. B) it is a gram-negative rod. C) it causes infections in cystic fibrosis patients. D) it causes melioidosis. E) its rRNA sequence is similar to that of Neisseria.