Match the microscope part with it's function.
Condenser
A) Focus light onto the specimen
B) Control the amount of light reaching the specimen
C) Brings the specimen into general focus
D) Increases the detail of the image
A) Focus light onto the specimen
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During elongation, RNA polymerase has three prominent channels, or grooves. These channels provide sites for all of the following EXCEPT _____
A) a site for the double-stranded DNA molecule B) a site for the entry of ribonucleoside triphosphates C) a site for the exit of the diphosphates removed from the nucleotide triphosphates D) a site for the growing RNA strand
The submucosa is indicated by
a. A. b. B. c. C. d. D. e. E.
Which of the following types of plasmids allows a bacterial cell to kill its competitors?
A) virulence plasmids B) fertility plasmids C) bacteriocin plasmids D) resistance plasmids E) cryptic plasmids
What is the role of the RISC complex in RNAi?
What will be an ideal response?