The procedures for culturing a microorganism require the use of a microscope.
Answer the following statement true (T) or false (F)
False
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The enzyme _____ repairs 99% of mismatched bases immediately during replication
A. DNA ligase B. DNA polymerase C. AP endonuclease D. uracyl glycosylase E. none of these
Groups that contain planktonic species include all the following EXCEPT
a. golden algae. b. apicomplexans. c. dinoflagellates. d. diatoms. e. red algae.
In cultivated stocks, the cross of a variety of white flower plants produced all red flowers in the F1
generation, but the F2 generation produced 87 red, 31 cream, and 39 white. Explain these results by giving the genotypes possible for each phenotype. What will be an ideal response?
Seriously abnormal phenotypes or harmful mutations are acted against or reduced to low frequencies by which
mechanism? a. gene flow b. genetic drift c. natural selection d. disruptive selection e. beneficial mutations