In the figure above, the HIV that infected more than 400 children in a Benghazi hospital:
a. is closely related to strains from Cameroon and Ghana.
b. suggests that West Africa was a likely source of the strain that seeded the outbreak.
c. suggests a single introduction was responsible for the outbreak in Benghazi.
d. All of the above.
e. A and C.
E
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A challenge with scientific breakthroughs is that they are rarely accompanied by ________
a. the desire to continue researching them b. the discovery of the tools to study them c. the people interested in them d. the legislation necessary to support them e. the funding to continue the research
Identify the distinguishing characteristics of phylum Cnidaria. Also identify the classes within this
phylum and their identifying characteristics. Include at least one representative for each class that you identify. What will be an ideal response?
The area on the retina that has the greatest density of cone cells is called the ____.
A. fovea B. visual ganglion C. lateral geniculate nucleus D. visual cortex E. blind spot
Which of the following is a transfer of genes between non-homologous chromosomes?
A) duplication B) crossing over C) deletion D) inversion E) translocation