Antibodies are considered to be _______ immunity.
A. cellular
B. humoral
Answer: B. humoral
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Globally, what is the greatest killer of species?
a. destruction of coral reefs b. air pollution c. deforestation d. water pollution e. nuclear contamination
Explain why someone with blood type O-negative is called the universal donor
What will be an ideal response?
Which of the following is required for amplification of DNAby cloning but not for PCR?
A: A vector B: DNA Polymerase C: Nucleotides D: All of the above
You are attempting to link an individual to a crime. The only evidence you have is a tiny drop of blood. How can you use this drop of blood to definitively make the association?
A) You can use the sample to determine the individual's blood type. B) You can use gel electrophoresis to determine the length of the DNA found in the sample. C) You can use PCR to increase the amount of DNA available for STR analysis.