Pulsed-field gel electrophoresis (PFGE) is often used to determine whether bacterial isolates from different cases of food-borne illness are the same and can be traced to the same source. This is an example of
A.) an immunologic technique.
B.) a genetic method.
C.) a phenotypic method.
D.) a microscopic technique.
B.) a genetic method.
You might also like to view...
Indicate the scenario(s) that could directly result in sympatric speciation. Check all that apply.
_____ Two sunflower species cross to form a healthy hybrid individual with equal copies of chromosomes from each parental species. _____ A new river channel divides a population of beetles into two populations. _____ A large fence blocks the intermingling of two populations of a species. _____ A subset of flies within a larger population colonizes a new host plant. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about sympatric and allopatric speciation? 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?
How many bones are in the adult human skeleton?
a. 336 b. 26 c. 201 d. 106 e. 206
A drop to pH 4.0 in the duodenum would primarily stimulate the release of ________________.
A. secretin B. pepsin C. cholecystokinin D. insulin E. gastrin Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about a hormone secreted in response to acid? What other information is related to the question? Choose Answer · Given what you now know, what information 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?
An -NH2 group is a(n) ____ group
a. carboxyl b. hydroxyl c. amine d. methyl e. carbonyl