Arieanna is a crime scene investigator for the St. Louis MPD Crime Lab. Whenever bodily fluids, such as blood, are left at a crime scene, her job is to take a sample back to her lab and test the DNA for matches. Which type of
macromolecule is she testing?
-)))
A)
Proteins
B)
Carbohydrates
Lipids
D)
Nucleic Acids

i'll try what topic lol

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'

burning fossil fouls really decrease the carbon in the atmosphere so b