Which of the following is true during a typical cAMP-type signal transduction event?
A) The second messenger is the last part of the system to be activated.
B) The hormone activates the second messenger by directly binding to it.
C) The second messenger amplifies the hormonal response by attracting more hormones to the cell being affected.
D) Adenylyl cyclase is activated after the hormone binds to the cell and before phosphorylation of proteins occurs.
D
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a. root b. shoot c. cotyledon d. leaf e. flower
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Assume that there are 12 map units between two loci in the mouse and that you are able to microscopically observe meiotic chromosomes in this organism
If you examined 200 primary oocytes, in how many would you expect to see a chiasma between the two loci?