You have isolated what appears to be alien DNA. While studying its replication, you performed the exact experiment Meselson and Stahl did. After three generations, the DNA is subjected to a CsCl gradient and only one band appears
What type of replication does this DNA undergo?
A. Semiconservative
B. Conservative
C. Dispersive
C
Biology & Microbiology
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At equilibrium the allele and genotype frequencies of a population change over time
Indicate whether the statement is true or false
Biology & Microbiology
TORCH is an acronym that represents the most common ________.
A. portals of entry B. infections of the fetus and neonate C. genera of resident biota D. sexually transmitted infections E. vectors
Biology & Microbiology
The organic nonprotein components that aid in enzyme functioning are called
A. substrates. B. products. C. reactants. D. cofactors. E. coenzymes.
Biology & Microbiology
The wavelength of light used plus the numerical aperture governs
A. size of the field. B. magnification. C. resolution. D. illumination. E. All of these choices are correct.
Biology & Microbiology