Most of the enzymes used as molecular scissors are known as restriction enzymes. what is the reason for this name? they cut (restrict) dna only at a particular recognition sequence within it. they cut (restrict) dna and remove a single nucleotide each time from the end of the dna. they cut (restrict) dna and remove a complimentary pair of nucleotides from the end of the dna. nextreset

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above

What is the correct trna sequence that would match the following mrna sequence.gcgaua