What are the benefits, real and potential, of
adult cell cloning?
a. the timing of the production of offspring
can be controlled
b. cloned animals will be consistently the
same as their donor
c. cloned cells can be used to study the
processes of cell differentiation
d. cloned cells can be used to study the
process of diseases and thus potentially lead
to cures
e. all of these are benefits of adult cell cloning
E
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Which of the following statements about essential nutrients are true? Essential nutrients _____
I) are necessary for plant growth and reproduction II) are required for a specific structure or metabolic function III) cannot be synthesized by a plant IV) are produced by symbiotic bacteria A) I and IV B) II, III, and IV C) I, II, and III D) I, II, III, and IV
Avery, MacLeod, and McCarty showed that DNA was the transforming principle when they mixed
dead virulent bacteria and live avirulent bacteria after treating with a DNA degrading enzyme, injected this into mice, and observed that the mice survived. If RNA were the genetic material, what would have been the effect on the mice after treating with a DNA degrading enzyme and why?
What will be an ideal response?When cells differentiate they
a. lose DNA b. remain totipotent c. express a specific subset of genes d. stop growing e. gain DNA
Fortunately, even in cases where we suffer from an omitted variable bias, it is often the case that with careful reasoning it is possible to:
A. construct alternative p-values. B. report appropriately adjusted standard errors. C. make the size of bias not statistically significant from zero. D. sign the bias.