Lake turnover
What will be an ideal response?
water is most dense at 4 degrees Celsius
In the winter and summer, high nutrient water sinks to the bottom while water high in oxygen is at the top. During the spring and fall, the high nutrient waters and high oxygen water mixes.
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The mature male gametophyte is produced
A. in the anther. B. within the pollen granule during transfer. C. when the pollen makes contact with the stigma. D. in the pollen tube when the generative cell divides. E. within the ovule just prior to fertilization.
A climograph portrays the particular combination of temperature and rainfall conditions where each
terrestrial biome occurs.
Indicate whether the statement is true or false.While conducting an experiment, you realize that a competitive inhibitor was interfering with your reaction. How could you overcome this problem?
A. Increase the concentration of the correct substrate in the reaction. B. Add a cofactor to the reaction. C. Add an allosteric activator to the reaction. D. Add a noncompetitive inhibitor to the reaction.
The t(8;14) event is best described as resulting in
a) Amplification of gene expression leading to oncogenic properties b) Truncation of important protein domains leading to constitutive activation c) Point mutations that alter the intracellular location of proteins d) A novel chimeric protein fusing the peptides of two unrelated proteins