#Question id: 1619
#Section 2: General Biology
Which of the following statements is TRUE of interferons?
#Question id: 641
#Section 2: General Biology
Which of the following does NOT describe a mechanism that cells use to regulate enzyme activities?
A. Cells control enzyme activity by phosphorylation and dephosphorylation.
B. Cells control enzyme activity by the binding of small molecules.
C. Cells control the rates of diffusion of substrates to enzymes.
D. Cells control the rates of enzyme degradation.
E. Cells control the rates of enzyme synthesis.
F. Cells control the targeting of enzymes to specific organelles.
#Question id: 17207
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
#Question id: 3781
#Section 3: Genetics, Cellular and Molecular Biology
Hershey and Chase used a DNA-based virus for their work. How might the results have been different if they had used an RNA virus?
#Question id: 3926
#Section 3: Genetics, Cellular and Molecular Biology
Positive regulation of a gene requires __.