Lactobacilli are alkalophilic, preferring conditions that are slightly alkaline for optimal growth.
Answer the following statement true (T) or false (F)
False
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What was the control in Arthur Kornberg's in vitro replication experiment described in this chapter?
A. The use of radiolabeled nucleotide triphosphates B. The exclusion of template DNA in one test tube C. Adding perchloric acid D. The use of E. coli proteins
Which repair mechanism often leads to deletions in chromosomes?
A. Recombinational repair B. Direct repair C. Base excision repair D. Mismatch repair E. Nucleotide excision repair F. Nonhomologous end joining (NHEJ)
The response of a predator's consumption rate to prey density is a key factor as to whether a predator can regulate a prey population
Indicate whether the statement is true or false
Which of the following sequences of events in the production of recombinant DNA are in the correct order?
A. cut DNA with restriction enzymes, mix DNA with plasmid DNA, add DNA ligase B. mix DNA with plasmid DNA, cut with restriction enzymes, add DNA ligase C. add DNA ligase, cut DNA with restriction enzymes, mix DNA with plasmid DNA D. mix DNA with plasmid DNA, add DNA ligase, cut with restriction enzymes E. cut with restriction enzymes, add DNA ligase, mix DNA with plasmid DNA