Fill in the blanks. To initiate replication of the lagging
strand adds
RNA nucleotides to the parental strand. These nucleotides are necessary because can only add DNA nucleotides to a free
end.

An example of what is geese flying south for the

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?