In order to produce a recombinant DNA molecule, restriction enzymes are first used to cut the DNA
A. true
B. false
A
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What would be the results of a test cross with the F1 flies?
A. 1 brown eye, thin wing veins: 1 red eye, heavy wing veins B. 1 brown eye, heavy wing veins: 1 red eye, thin wing veins C. 1 brown eye, thin wing veins: 2 red eye, thin wing veins: 1 red eye, heavy wing veins D. 1 brown eye, heavy wing veins: 2 red eye, thin wing veins: 1 red eye, thin wing veins 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 linked genes and testcrosses? 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?
Rubisco has 16 subunits joined together to make a functional unit. Eight of the subunits are large, the
other 8 are small. What does this tell you about this protein's structure?
a. It is an example of a protein having quaternary structure. b. The protein has tertiary structure and domains but no quaternary structure. c. The primary sequence of all 16 subunits is identical, which is a unique property of enzymes participating in photosynthesis. d. The subunits each have 8 alpha helices in order to bind to CO2 and RuBP. e. It's an enzyme that is extremely resistant to denaturation.
Just back from a trip to South America, you now have a severe diarrheal illness. Your symptoms, other than diarrhea, are pain, cramps, some fecal blood, and fever. These are symptoms of many of the gastrointestinal diseases, so that information does not help you or the doctors identify the infectious agent. Your doctor wants to send a fecal sample to the microbiology lab for them to look at it under the light microscope. Based upon this protocol selection, the physician believes that you have ________.
A. rotavirus B. hepatitis A C. salmonellosis D. cholera E. amoebiasis
____ contain identical DNA sequences and are held together by ____ during mitosis
a. Daughter chromosomes; hydrogen bonding b. Daughter chromosomes; ionic bonding c. Sister chromatids; spindle fibers d. Sister chromosomes; histone proteins
e. Sister chromatids; cohesin proteins