What do restriction endonucleases do? what do restriction endonucleases do? they cut dna at specific sites, known as recognition sites, to produce dna fragments useful for cloning. they cut rna at specific sites, known as recognition sites, to produce rna fragments useful for cloning. they catalyze the synthesis of dna from an rna template. they connect sticky ends of dna fragments useful for cloning?

How do adaptation affect a species?

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.