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
Answer: B
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A. Western blot B. ELISA C. Fluorescence-activated cell sorter D. FA test on a microscope slide
The process of meiosis
A) begins with haploid cells and ends with diploid cells. B) begins with haploid cells and ends with haploid cells. C) begins with diploid cells and ends with haploid cells. D) begins with diploid cells and ends with diploid cells.
What is the relationship between photosynthesis and cellular respiration?
A. The reactants of photosynthesis are the products of cellular respiration and the reactants of cellular respiration are the products of photosynthesis. B. Organisms conduct neither photosynthesis nor cellular respiration to produce food. C. Organisms conduct either photosynthesis or cellular respiration to produce energy. D. Photosynthesis is a step within cellular respiration. E. Cellular respiration is a step within photosynthesis.
Barr bodies
A. inactivate Xic on autosomes. B. are formed only in males and inactivate Xic on autosomes. C. are formed in females. D. are formed only in males. E. cause an increased production of X-linked gene products.