Q. Assume that there are 63 different naturally occurring amino acids. If all 64 possible combinations of bases for a codon resulted in coding for 63 different amino acids and one stop codon, which of the next mutations would NOT be possible? A) Nonsense mutations, B) Silent mutations,C) missense mutations, […]

You have two true-breeding lines of fruit flies. One is gray (eb+), red eyed (w+), and dwarf (d). The other is ebony (eb), white eyed (w), and normal size (d+). You cross the lines to produce F1 offspring, which you then use in a test cross. The following offspring are […]

1. To understand how energy could be flowing in this aquatic ecosystem, list the different autotrophic and heterotrophic organisms found at each pond, and explain its role in energy flow through the system.2. How would the pH and dissolved oxygen change over the course of a day (morning, noon, and […]

1. An environmental monitoring program must be in place so that in a nuclear incident, potential dose levels may be projected for A. whole body external exposure. B. inhalation of suspended particulate radioactive materials. C. ingestion of contaminated food and water. D. all of the above.  2. The measure used to account for […]