What is used to sort dna into different lengths?
a. gel electrophoresis
b. nuclear transfer
c. recombinant dna technology
d. polymerase chain reaction

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Which type of neuroglia is found outside of the brain?

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service