Which of the following statements are/is TRUE
A. Endotoxins are more pyrogenic than exotoxins
B. Exotoxins are more antigenic than endotoxins
C. All choices are TRUE statements
D. Exotoxins are more toxigenic than endotoxins
E. One of these choices is FALSE
Ans: C. All choices are TRUE statements
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If two phenotypically normal parents have six children, and two daughters and two sons have the same genetic disorder, that disorder is most likely to be ____
a. hemophilia b. cystic fibrosis c. Marfan syndrome d. muscular dystrophy e. color blindness
In the 1990s, gene therapy was seen as a probable cure for many genetic diseases. List three or four reasons that it has so far been of limited success
What will be an ideal response?
Through artificial selection, it is possible to select for characteristics that may not be advantageous to the organism in a natural environment
Indicate whether the statement is true or false
All of the following are ways in which scientists can transfect an organism EXCEPT
A) spraying plants with herbicide containing new genes. B) infecting a host organism with a virus carrying a new gene. C) using a "gene gun" to shoot genes into cells in culture. D) injecting DNA into an egg using a small, sharp pipette.