Which of the following tools of biotechnology is incorrectly paired with its use? a. restriction enzyme - enzyme that cuts DNA
b. DNA sequencing - used to separate strands of DNA
c. Taq polymerase - used in a PCR to amplify sections of DNA
d. plasmid - a small, circular piece of extra DNA found in bacteria
e. gel electrophoresis - separation of DNA fragments by size and charge​

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

What are the student's observations and inferences before he starts his investigation?