The specific amino acid sequence of a protein is its ________.
A. primary structure
B. tertiary structure
C. quaternary structure
D. secondary structure
Answer: A
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Once a probe has hybridized with a gene of
interest in a DNA library, how is the hybrid identified?
a. by its sticky tail b. by its radioactive phosphate group c. by using restriction enzymes d. by centrifugation e. by vector analysis
From his observations of organisms in the Galapagos islands, Darwin reasoned that _____.
A. all island species should be similar to each other B. organisms had adapted to new environments, giving rise to new species C. the shape of a bird's beak does not affect its ability to survive and reproduce D. the organisms in the Galapagos had been specially created to thrive in that environment E. none of the above
The serial endosymbiosis hypothesis states that the origin of mitochondria and chloroplasts was the result of a
mutually advantageous symbiotic relationship between two eukaryotic organisms. ______________ Indicate whether the statement is true or false.
Name three features that a cloning vector for use in bacteria must contain. Explain your answers
What will be an ideal response?