Which statement about the megasporocyte is true?
a. It undergoes meiosis to produce three haploid cells.
b. It is a diploid cell located within an ovule.
c. It divides mitotically to form a male gametophyte.
d. It plays an important role in cross-pollination.
e. It will give rise to the generative cell.
B
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Which shape is reflected in an accurate graph of population growth?
a. S-shaped curve b. J-shaped curve c. flat line d. Z-shaped curve
How many ATP molecules (net yield) are produced per molecule of glucose during glycolysis?
a. 1 b. 2 c. 4 d. 36 e. 38
Current recommendations for the treatment of MRSA infections in the United States will change based on
A. the cost of different antibiotics. B. congressional approval. C. the availability of different antibiotics. D. patterns of antibiotic resistance.
Which of the following creates the least amount of soil erosion?
A) deforestation B) poor landscaping practices that expose the land to excess wind C) overgrazing by livestock D) use of drip irrigation systems E) wetland destruction