Which of the following statements represents a good hypothesis?
a. Shoofly pie tastes good.
b. The swimming speed of Artemia increases at higher temperatures.
c. There is life after death.
d. Hemophilia is also known as "bleeder's disease."
e. Since sparrows, robins, hawks, and pigeons are all birds and have wings, all birds have
wings.
B
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A three-hectare lake in the American Midwest suddenly has succumbed to an algal bloom. What is the likely cause of eutrophication in freshwater ecosystems, such as this one?
A) increased solar radiation B) introduction of non-native tertiary consumer fish C) nutrient runoff D) accidental introduction of a prolific culture of algae E) iron dust blowing into the lake
A single nucleotide polymorphism, or SNP, results from a mutation that causes changes to just a single base pair of DNA. Which one of the following statements is true about SNPs?
A. SNPs can be associated with certain diseases, such as Parkinson's disease. B. SNPs can be associated with certain physical traits, such as baldness. C. SNPs can reveal a person's ancestry. D. SNPs can be detected by DNA microarrays. E. All of the answer options are true about SNPs.
One of the long, branching filaments that collectively make up the mycelium of a fungus is called a(n)
A. conidium. B. ascospore. C. basidiospore. D. hypha. E. mycelium.
When NADP+ _____ electrons and hydrogen ions in the light reactions, NADPH is formed through _____.
A. donates, oxidation B. accepts, oxidation C. donates, reduction D. accepts, reduction E. None of the above