Which of the following is not true of cloning vectors?
A. They contain at least two replication origins.
B. They can be replicated within an appropriate host.
C. They usually contain multicloning sites or polylinkers.
D. All of these are true of cloning vectors.
Answer: A
You might also like to view...
Which of the following vertebrates relies on a positive pressure filling mechanism to move air into their lungs?
A. human B. eagle C. bullfrog D. crocodile E. mouse
The rate of elimination of an antimicrobial is expressed as its
A. metabolic destructive rate. B. half-life. C. effective time. D. dosage rate.
Interpreting the coefficients on fixed effects will always be based on what?
A. The sign of the coefficient on the instrumental variable in the first stage regression. B. The standard error on the treatment variable. C. The base group omitted from the regression. D. If the regression was run using STATA or Excel.
The selection coefficient describes:
a. the value of an allele after selection. b. how many individuals survive to reproduction. c. genotype relative to an alternative genotype. d. the change in allele frequencies due to direct selection. e. the degree of dominance of one allele relative to an alternative allele.