The restriction enzyme BamHI recognizes the DNA sequence GGATCC and always cuts between the two G nucleotides. How many bases long is the sticky end of a DNA molecule that has been cut with BamHI?
A) two
B) three
C) four
D) five
Answer: D
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Let’s suppose you are teaching science in a part of the world without easy access to a doctor and you’re worried that you may have developed diabetes. (Diabetics are unable to regulate blood glucose levels, and glucose accumulates in urine.) How could you perform a test to gain an indication of whether or not you have diabetes?
What will be an ideal response?
Lycophytes, ferns, and horsetails disperse via:
A. sperm. B. seeds. C. fronds. D. spores. E. thalloids.
Which animal is likely to have the lowest expression level of a Pax6-like gene?
A. A surface-dwelling population of Astyanax mexicanus fish B. A cave-dwelling population of Astyanax mexicanus fish C. A fruit fly, Drosophila melanogaster D. A ribbonworm (Lineus sanguineus) developing normally E. A ribbonworm (Lineus sanguineus) with a regenerating head 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 gene Pax6? 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?
The ________ is a sheet of tissue that separates the outer ear from the middle ear
Fill in the blank(s) with correct word