Which of the following nitrogenous bases is NOT normally found in DNA?
a. thymine
b. cytosine
c. adenine
d. uracil
e. guanine
D
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Which agency is specifically responsible of the monitoring of disease and the implementation of prevention and control strategies in the United States?
A. Food and Drug Administration B. World Health Organization C. Department of Health and Human Services D. Centers for Disease Control and Prevention
If the 13 CODIS SSR loci are genotyped, why does each person (except identical twins) have a unique combination of SSR alleles?
A) Each SSR locus has many alleles, each with a different number of repeats. B) SSRs have a very low mutation rate in individuals. C) SSR inheritance follows Mendel's law of segregation. D) Mitotic recombination results in new combinations of SSRs in different parts of an individual's body.
The cells that line your small intestine absorb nutrients. Their cell membranes consist of many extensions and folds that project into the open space of the intestine. Why is this cell structure advantageous in the small intestine?
What will be an ideal response?
This image represents the process of _____________ , which is an event that occurs ________ in gene expression.
Fill in the blank(s) with the appropriate word(s).