When using lacZ containing vectors, colonies containing intact vector turn blue
Indicate whether this statement is true or false.
TRUE
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Pattern recognition receptors (PRRs) are found on which of the following cells?
A) macrophages B) bacteria C) neutrophils D) macrophages and neutrophils
Which of the following is NOT used in gene therapy to transfer cloned DNA into human cells?
A. Retroviruses B. Fusion of cells with DNA-containing vesicles C. Microinjection D. Transformation E. Chemical means to get the DNA through the cell membrane
Which is a characteristic of a good hypothesis?
a. It is falsifiable b. It is a statement of fact. c. It can only be tested once. d. It can be proven to be true. e. It represents important conclusions
Which of the following is a correct statement about sympatric or allopatric speciation?
a) Polyploidy is a type of sympatric speciation. b) Sympatric speciation might occur if a body of water shrinks, leaving the fish isolated in separate smaller ponds. c) Allopolyploidy is a type of allopatric speciation. d) Allopatric speciation can be called "speciation without geographic isolation." e) Allopatric speciation may occur as long as two populations have the same geographical range.