Which of the following procedures is used to
amplify DNA in the laboratory?
a. DNA cloning
b. reverse transcription
c. nucleic acid hybridization
d. DNA restriction
e. polymerase chain reaction (PCR)
E
Biology & Microbiology
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___________ immunity develops over time and results from exposure to an antigen.
a. Acquired b. Natural c. Innate d. Primary
Biology & Microbiology
All living organisms use DNA as the genetic material
Indicate whether the statement is true or false
Biology & Microbiology
Which health concerns are related to lifestyle factors?
a. obesity and diabetes b. all cancers c. Lyme disease d. bacterial infections e. SARS respiratory infections
Biology & Microbiology
Crossing a heterozygous parent with a homozygous recessive parent should produce a ratio of dominant-to-recessive phenotypes of approximately _____.
A) 1:1 B) 2:1 C) 3:1 D) 9:3:3:1
Biology & Microbiology