When a DNA fingerprint is created, what determines the size of each fragment?
A) the number of PCR cycles that are used
B) the size of the individual's genome
C) the number of times the repeating sequence is repeated in each STR region
D) the age of the individual from whom the sample was taken
E) the amount of time the electric current is applied during gel electrophoresis
C) the number of times the repeating sequence is repeated in each STR region
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The type of RNA that carries protein-building information is called _____
a. ribosomal RNA b. transfer RNA c. messenger RNA d. reader RNA e. translator RNA
Which of the following statements about predation are true? Check all that apply.
_____ Cycling of predator and prey populations is not commonly observed. _____ Removal of a predator often leads to increased community stability. _____ Animal predation on plants is called herbivory. _____ Predation can induce coevolutionary changes in prey species. _____ Batesian mimicry is not a coevolutionary adaptation to predation.
In terms of global air circulation, the tropics are a region where air
A) descends and warms, dropping rain. B) descends and warms, creating an arid belt. C) rises and warms, creating an arid belt. D) rises and cools, creating an arid belt. E) rises and cools, dropping rain.
Which of the following is not a monosaccharide?
A. fructose B. glucose C. maltose D. galactose E. None of these are monosaccharides.