Several epidemic microbial diseases of earlier centuries incurred high death rates because they resulted in severe dehydration due to vomiting and diarrhea. Today they are usually not fatal because we have developed which of the following?
A) antiviral medications that are efficient and work well with most viruses
B) intravenous feeding techniques
C) medications to slow blood loss
D) hydrating drinks with high concentrations of salts and glucose
D
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Which process is most directly associated with the theory of evolution?
a. Populations changing over time b. Mutations changing the gene pool c. Production of large numbers of offspring d. Sexual reproduction producing variation in a population e. Competition between members of a population for limited resources
What is the correct order of cell mitosis?
1. telophase 2. metaphase 3. anaphase 4. prophase A. 1,2,3,4 B. 2,3,1,4 C. 3,2,1,4 D. 4,2,3,1
What unusual amino acid-based hormone uses the direct gene activation method illustrated in this image?
The state of California has several large cities and very productive croplands that divert and use large amounts of water from rivers. What is one damaging effect of this use of water from the rivers?
A. increased amounts of solid waste pollution in the oceans B. decreased amounts of fresh water in marshes and estuaries C. changes in local rainfall amounts D. changes in upstream water tables