QUESTION 12 Ack! Your nematode cultures are infested with a pesky, but novel bacterium! You decide to grow nematodes on either normal bacteria or the new novel bacteria. After 10 generations, you attempt mating trials between the two populations. Below are the results of your breeding experiments. The numbers within each box represent the number of offspring produced in the cross. Female nematodes reared on... Normal Novel bacteria bacteria Normal bacteria 365 Male nematodes reared on... Novel bacteria 452 Which of the following is the most appropriate conclusion from your results? O a. The populations appear to be most likely in the process of speciation. O b. Heterozygote advantage is occurring because offspring of cross-breeding have greater survival. O C. The two nematode populations have undergone complete speciation. O d. All individuals were all equally reproductively successful regardless of mate combination.

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Nitrogen metabolism

Nitrogen metabolism is the synthesis, utilization or uptake, breakdown, and excretion of nitrogenous compounds in the body. The nitrogen metabolism encompasses nitrogen fixation, biosynthesis, and the breakdown of amino acids, purines, and pyrimidine. Since nitrogen-containing compounds are required for various life processes, nitrogen is an important element of life.