What are the consequences of a viral infection of an animal cell?
A) rapid lysis or latent infections
B) lysogeny followed by eventual lysis
C) lysis or lysogeny
D) Outcomes vary from rapid lysis to persistent infections, latent infections, or cancer.
Answer: D
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Single-stranded miRNA targets the RISC complex to specific mRNA targets that contain sequences complementary to the miRNA
A. true B. false
Grafting is used to grow all varieties of edible apples. What does grafting involve?
a. repairing a damaged stem of a plant to continue its growth b. inducing polyploidy in plants c. growing new roots and shoots from extensions of a parent plant d. inducing a cutting from one plant to fuse with the tissues of another plant e. artificially inducing individual cells to divide and form an embryo
If the t-stat for the sample estimate of a coefficient, M1 calculated as the following, t = 
, where m1 is the estimated coefficient and Sm1 is the properly estimated standard error for the coefficient, comes out to be 2.7, what is the appropriate conclusion?
A. Reject the null hypothesis that the population coefficient M1 = 1 at a 99% confidence level. B. Reject the null hypothesis that the population coefficient M1 = 2 at a 99% confidence level. C. Fail to reject the null hypothesis that the population coefficient M1 = 1 at a 95% confidence level. D. None of these choices are correct.
Which of the following is NOT a typical cellular change that occurs during lung cancer?
A. cellular hyperplasia B. elevated gas transport C. cellular displasia D. increases in basal cell number and thickening of epithelium E. loss of ciliated cells