Which hemoglobin genotype has the highest fitness in an area of high malaria infection?
a. HbAA
b. HbAS
c. HbSS
d. All are equal
Answer: b. HbAS
Biology & Microbiology
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The smallest sub-atomic particle is the ______
A. ion B. electron C. proton D. isotope E. neutron
Biology & Microbiology
Which time period has the greatest richness of fossilized invertebrates?
A) Cambrian B) Carboniferous C) Cretaceous D) Cenozoic
Biology & Microbiology
Bacteria with DNA described as having "hairpin ends with inverted repeats" must not have circular chromosomes.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Which of the following does not contain a heavy metal?
A. mercurochrome B. zinc C. merthiolate D. silver nitrate solutions E. tincture of iodine
Biology & Microbiology