The breakdown of nucleotides produces which the molecules?

a. Creatine phosphate
b. Ammonia
c. Urea
d. uric acid


Ans: d. uric acid

Biology & Microbiology

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A P. bursaria cell that has lost its zoochlorellae is said to be aposymbiotic

It might be able to replenish its contingent of zoochlorellae by ingesting them without subsequently digesting them. Which of the following situations would be most favorable to the reestablishment of resident zoochlorellae, assuming compatible Chlorella are present in P. bursaria's habitat? A) abundant light, no bacterial prey B) abundant light, abundant bacterial prey C) no light, no bacterial prey D) no light, abundant bacterial prey

Biology & Microbiology

The most inclusive level of organization listed

here is a(n) a. heart. b. carbon atom. c. DNA. d. a zebra. e. red blood cell.

Biology & Microbiology

Give some examples showing how cells respond to signals. How are signals terminated? What will be an ideal response?

Biology & Microbiology

An albatross spending its life hovering over the ocean provides an extreme example of __________, the process by which animals control solute concentrations and balance water gain and loss.

a. osmoregulation b. hydration c. evaporation d. osmosis e. excretion

Biology & Microbiology