In this figure, the authors of the study looked for a correlation between which two variables?
A. being extinct and nasal cross-section
B. mass and endothermy
C. being extinct and mass
D. mass and nasal cross-section
E. presence of a turbinate and nasal cross-section
D. mass and nasal cross-section
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You are asked to give a classroom demonstration of DNA supercoiling. To do so, you take two different colored pieces of rubber tubing, twist them very tightly and excessively around each other and join the ends of the tubing appropriately. Next, you relieve the supercoiling by breaking one strand and unwinding it. In this demonstration, the breaking and unwinding to relieve the supercoiling simulates the action of
A. exonucleases. B. polymerases. C. ligases. D. topoisomerases. E. primases. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about supercoiling? 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?
What is the function of a gizzard as found in
earthworms and other animals?
a. stores food b. entrance for food c. absorbs nutrients d. grinds food e. exit for waste
Which of the following has not played a part in
the extinction of honeycreepers in Hawaii? a. Loss of habitat. b. Human activities. c. Imported species. d. Depletion of the ozone layer. e. Disease.
Transformation is not useful in determining relatedness between two organisms because it frequently crosses genera.
Answer the following statement true (T) or false (F)