Which of the following is required for initiation of eukaryotic translation?
A) Shine-Dalgarno sequence
B) 5' cap
C) release factors
D) N-formylmethionine
E) introns
B) 5' cap
5' cap is required for initiation of eukaryotic translation.
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The molecule that functions as a corepressor for the trp operon is
A. glucose. B. cAMP. C. tryptophan. D. CAP. E. lactose.
B is an intron between two exons, A and C. Which representation best describes how this region of mRNA will appear after it is transcribed and processed by a spliceosome?
A) A-C B) A-B C) B-C D) A-B-C
You have inherited some old glass baby milk bottles from your grandmother, and you would like to use them instead of plastic bottles. The bottles are placed into a large metal container and placed in the oven at 325°F for about 2 hours. What factor would you change if you wanted the sterilization to occur much quicker?
A. Increase the temperature of the oven by 5 degrees B. Use a pressure cooker to sterilize the bottles with steam C. Place the bottles outside in the sunlight and then place in the oven D. Pour an antimicrobial chemical into the bottles before placing into the oven
What is the difference between pollination and fertilization?
A. Pollination is the movement of pollen from the male region of a plant to the female region. Fertilization is the union of a sperm and egg. B. Pollination is the movement of pollen from the female region of a plant to the male region. Fertilization is the union of a sperm and egg. C. Pollination is the same as fertilization. D. Fertilization is the movement of pollen from the male region of a plant to the female region. Pollination is the union of a sperm and egg.