Species richness is greatest at which latitude?
a. 60 degrees north
b. 60 degrees south
c. 0 degrees
d. 40 degrees north
e. 20 degrees south
ANSWER: c
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Your lab instructor hands you a root slide and asks you to show her a cell with condensed chromosomes arranged in a straight line. In which section of the root would you begin your search?
A. It doesn't matter, all zones have the same level of mitotic activity. B. zone of elongation C. zone of maturation D. zone of cell division E. root cap 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 the appearance of root cells in the different zones? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
The role of oxygen in cellular respiration is to
a. combine with carbon atoms to form carbon dioxide. b. allow glycolysis to continue. c. act as the final electron acceptor. d. aid in the transport of pyruvate into the mitochondria. e. supply an energy molecule.
The most appropriate form of cell division for repairing an injured tissue is ________
A) mitosis B) meiosis C) cytokinesis D) cloning
Suppose you're running a multiple regression of Home Prices (in thousands of $) on five different treatment variables including number of bedrooms, number of bathrooms, total square feet, total lot size, and garage size, where all the treatment variables have been standardized (i.e., transformed to have a mean of zero and standard deviation equal to 1). If the coefficient on number of bedrooms is estimated to be 3, how would you interpret the coefficient on the number of bedrooms?
A. Increasing the number of bedrooms by 3, holding number of bathrooms, total square feet, lot and garage size fixed increases the average home price by a thousand dollars. B. Increasing the number of bedrooms by 1, increases the average home price by three thousand dollars. C. Increasing the number of bedrooms by 1 standard deviation, holding number of bathrooms, total square feet, lot and garage size fixed increases the average home price by three thousand dollars. D. Increasing the number of bedrooms by 1, holding number of bathrooms, total square feet, lot and garage size fixed increases the average home price by three thousand dollars.