Hydrogen peroxide is an effective
A. sterilizing agent.
B. disinfectant.
C. antiseptic.
D. disinfecting and sterilizing agent.
E. antiseptic and disinfectant.
Answer: D
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Which statement is NOT true about Monteverde
Cloud Forest Reserve? a. More than 50,000 tourists visit the reserve each year b. It is one of the few habitats left for jaguar, puma and ocelot c. It is home to more than 400 species of birds. d. Deforestation is no longer a problem outside the reserve’s borders. e. Ecotourism on the reserve provides employment to local people.
The most common inherited visual abnormality is ____
a. red-green color blindness b. astigmatism c. hyperopia d. myopia e. cataracts
What characteristic suggested that the diet of early primates changed from eating insects, fruits and leaves to a mixed
diet? a. changes in vision b. changes in teeth and jaws c. Bipedalism d. changes in brain size and development e. behavioral changes
How is the information that specifies a protein stored in DNA?
A) in the orientation of the double strands B) in the arrangement of the sugar-phosphate chain C) in the types of chemical bonds holding bases together D) in the sequence of bases