Which of the following proteins is found only in the RNA polymerase holoenzyme?
A) Alpha
B) Beta
C) Epsilon
D) Sigma
E) Rho
D
Biology & Microbiology
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Which of the following enzymes would you expect to find in the virion of a retrovirus, but NOT in a bacteriophage?
A) lysozyme B) methylase C) restriction enzymes D) reverse transcriptase
Biology & Microbiology
Which of the following is not a type of temperate grassland?
A) veld B) pampas C) prairie D) chaparral
Biology & Microbiology
What is the role a species plays in an ecosystem?
A) ecological niche B) trophic level C) biophilia D) biomass
Biology & Microbiology
Osmosis refers to the diffusion of ________ across a membrane
Fill in the blank(s) with correct word
Biology & Microbiology