Diagram the hydrological cycle. Include the terms evaporation, transpiration, percolation,
groundwater, runoff, condensation, and precipitation. What will be an ideal response?
Concepts to Consider: Starting with a cloud, the water condenses and ultimately falls to Earth either
as precipitation over land or the ocean; water percolates through the soil and may reach the
groundwater, be taken up by plants, or run off into bodies of water; water taken up by plants may be
transpired and reenter the atmosphere in this way. Water also reenters the atmosphere via evaporation
from bodies of water
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You are studying regulation of a prokaryotic operon. Experiments show that expression of the operon is increased when levels of biosynthetic product from that pathway are low. Based on this information, what is a likely mode of regulation?
A. The product binds a repressor, allowing it to bind the operator. B. The product binds an activator, helping RNA polymerase to bind the promoter. C. The product binds a repressor, preventing it from binding the operator. D. The product binds to the biosynthetic enzymes, blocking them directly. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about transcriptional regulation in prokaryotes? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
If the DNA in a cell consists of 20% adenine, it will also have _____ thymine.
A. 30% B. 80% C. 40% D. 20% E. 10%
Which of the following breakfasts would be highest in carbohydrate?
a. Grapefruit half, 2 fried eggs, 3 bacon slices, 1 slice of toast with butter, coffee b. 8 ounces orange juice, 2 cups Cream of Wheat with 2 tablespoons sugar, English muffin with jelly, 1 cup whole milk c. 8 ounces orange juice, 1/2 cup fresh blueberries, 8 ounces nonfat yogurt, coffee d. 1 cup whole milk, 2 ounces sausage, 2 fried eggs, 1 slice of toast with butter
The concept that humans can be divided into discrete and non-overlapping categories on the basis of physical traits which can be scientifically defined is called ___________
Fill in the blank(s) with the appropriate word(s).