When looking at microarray data verses phenotypic behaviors in a model organism, you notice that certain genes seem to have lost their function. Therefore you decide to classify them as
A. pseudogenes.
B. transposons.
C. nonfunctioning introns.
D. inactivated exons.
E. templates.
Answer: A
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Indicate whether the statement is true or false.
There are still many unanswered questions about evolution
Indicate whether the statement is true or false.
A kidney dialysis machine ____
a. may cleanse the patient's blood outside the body b. may use the patient's chest cavity as the site for solute exchange c. replaces solutes in blood lost by urination d. used by patients after a kidney transplant e. is used to treat kidney stones
Answer the following questions true (T) or false (F)
1. Immature B lymphocytes undergo clonal deletion in the bone marrow. 2. CTLs use the CD95 molecule to recognize their epitope. 3. Cytokines are soluble regulatory proteins that act as intercellular signals and include substances such as interleukins, interferon, and growth factors.