Site-specific recombinases can be used:
A. to generate synthesis of multiple copies of plasmids.
B. to convert dimeric chromosomes to monomeric forms.
C. in the lysogenic pathway to circularize phage DNA.
D. to evade host immune systems by the process of phase variation.
E. All of the choices given are true.
E
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Individuals with severe combined immunodeficiency syndrome (SCID) have a genetic defect that prevents proper formation and expression of immunoglobins and T cells and therefore do not have adaptive immunity
Indicate whether the statement is true or false.
Which of the following is NOT a reason for the
rapid explosion of the human population?
a. increase in carrying capacity b. expansion into new habitat c. removal of limiting factors d. reproduction occurring earlier in the life cycle e. longer generation times
Geobacter: Anode reduction
What will be an ideal response?
The breeding of plants and animals for particular traits by humans is called _______.
A. natural selection B. paleontology C. sexual recombination D. homology E. artificial selection