Bacteriophage T4 blocks transcription of host genes using an enzyme that transfers an ________ from NAD onto the alpha subunit of RNA polymerase.
What will be an ideal response?
ADP, ADP-ribose, ADP-ribosyl
Biology & Microbiology
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Microfilaments are assembled from ____
a. keratin b. myosin c. laminin d. actin e. tubulin
Biology & Microbiology
When an enzyme-catalyzed reaction reaches equilibrium ____
a. the enzymes are now inhibited b. the chemical reactions cease c. the rate of the forward and reverse reactions are equal d. the concentration of reactants equals the concentration of products e. ATP is no longer required to drive the reaction
Biology & Microbiology
Which group makes up the majority of the biomass in an ecological pyramid?
a. Herbivores b. Decomposers c. Carnivores d. Producers e. Detritivores
Biology & Microbiology
What are the helper and inducer cells?
A. B cells B. macrophages C. plasma cells D. T cells E. monocytes
Biology & Microbiology