Treatment of eukaryotic cells with bacterial polypeptide actinomycin D will cause:
A. interference with the movement of tRNAs during polypeptide elongation on the ribosome.
B. blockage of splicing as mediated by snURP2.
C. no change; bacterial proteins will have no impact on the function of eukaryotic cells.
D. interference with transcript elongation by RNA polymerase II.
D
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CAM plants keep stomata closed in the daytime, thus reducing loss of water. They can do this because they _____
A) fix CO2 into organic acids during the night B) fix CO2 into sugars in the bundle-sheath cells C) fix CO2 into pyruvate in the mesophyll cells D) use the enzyme phosphofructokinase, which outcompetes rubisco for CO2 E) use photosystem I and photosystem II at night
Most individuals with histoplasmosis exhibit a hypersensitive state that can be demonstrated by the histoplasmin skin test.
Answer the following statement true (T) or false (F)
Glucose and other nutrients are moved from the filtrate back into the blood by the process of ____________________. Fill in the blank(s) with the appropriate word(s)
The field of study involved in sequencing the genomes of organisms is ________.
Fill in the blank(s) with the appropriate word(s).