To assign absolute dates to fossils in this sediment core, it would be most helpful if _____
A) we knew the order in which the fossils occurred
B) the sediments had not been affected by underwater currents during their deposition
C) volcanic ash layers were regularly interspersed between the sedimentary strata
D) fossils throughout the column were equally spaced apart
C
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A Punnett square is used to determine
(a) probable gamete genotypes. (b) possible parental phenotypes. (c) possible parental genotypes. (d) possible genetic outcomes of a cross.
The width of a DNA double helix ____
a. is constant b. is narrower where adenine is present than where cytosine is present c. is wider where purines are present than where pyrimidines are present d. varies randomly e. is wider where pyrimidines are present than where purines are present
If you were working on a comatose patient suffering from extreme hypoglycemia, you would try to find the cause by asking a friend of the patient if they knew of a history of either
A. too much insulin being produced. B. too little insulin being produced. C. insufficient carbohydrate intake or too much insulin production. D. insufficient carbohydrate intake. E. insufficient carbohydrate intake or too little insulin production.
What other information is related to the question? Which information is most useful?
What will be an ideal response?