Restriction enzymes cut double-stranded DNA _____.
A. at noncoding areas between genes
B. at specific base sequences
C. between bacterial and viral DNAs
D. between purines and pyrimidines
E. between promoter and operator DNA sequences
Answer: B
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A plant that produces yellow seeds is bred with a plant that produces green seeds. All of the seeds of the offspring are yellow. Which of the following explains this result?
A) The yellow allele is recessive to the green allele. B) All of the offspring are homozygous for the yellow allele. C) The yellow allele is dominant to the green allele. D) Yellow is an easier color to produce.
Division of the cytoplasm following mitosis or meiosis.
What will be an ideal response?
Based on the morphological species concept, why would you assume that there are many different species of rat
snakes?
What will be an ideal response?How does mineral mobility affect the symptoms of deficiency?
A. Deficiency of a mobile nutrient usually affects older organs more than young ones B. Deficiency of a mobile nutrient usually affects younger organs more than older ones