All of the following are involved in the generation of an allergic response EXCEPT which one?
A) allergen
B) IgE
C) IgG
D) mast cells and basophils
E) histamine
C
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Nitrogenous wastes are produced during normal metabolism of ________
Fill in the blank(s) with correct word
Suppose that you performed a version of the Hershey and Chase experiment, this time using 32Plabeled
viruses that insert their double stranded DNA into the DNA of the cells that they infect. The viral DNA is then treated as part of the cell's own DNA and is replicated during DNA replication and passed on to daughter cells when the cell divides. You infect a population of cells with the 32P-labeled viruses, then let the infected cells go through two generations of cell divisions. If you then examine the cells, you should find 32P-labeled DNA in
a. none of them. b. about of them. c. about of them. d. about of them. e. all of them.
Hydrogen ions in the blood can be neutralized temporarily by which of the following?
a. bicarbonate b. ADH c. renin d. urea e. filtration
Explain why a life cycle that includes meiosis must also include fertilization. What is the advantage of such a life cycle?
What will be an ideal response?