Which process allows a vertebrate to generate millions of different lymphocytes?
A. DNA rearrangement
B. DNA reestablishment
C. clonal variability
D. instructional variation
E. gene cloning
A. DNA rearrangement
You might also like to view...
True or False. The fact that two independent methodologies for investigating the history of life on Earth (phylogenies and the fossil record) agree is powerful evidence of evolution
A. true B. false
Which of the following lung volumes change during exercise?
a. residual volume b. tidal volume c. vital capacity d. lung capacity e. lung volume
What effect of endocrine disruptors has been shown by laboratory studies?
A) to decrease the ability of human sperm to fertilize eggs B) to cause human birth defects C) to cause reproductive problems in nonhuman animals D) to cause endometriosis in women
List in order the steps associated with a reflex arc of the PNS.
What will be an ideal response?