Biology, 03.08.2019 12:20 lordcaos066
During gel electrophoresis, restriction enzymes are used to cut dna into fragments. those fragments are then added into a well cut from a slab of gel. an electric field is passed through the gel, causing the fragments to migrate to the positively-charged terminal at the other end of the gel. the dna fragments separate into bands on the gel because a. smaller fragments move through the gel faster than larger ones. b. larger fragments move through the gel faster than smaller ones. c. fragments that contain a high amount of adenine travel the farthest. d. positively-charged fragments move through the gel faster than neutral ones.
Answers: 1
Biology, 22.06.2019 08:00
Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen
Answers: 1
Biology, 22.06.2019 08:20
Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.
Answers: 2
Biology, 22.06.2019 10:30
In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.
Answers: 1
Biology, 22.06.2019 10:40
Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above
Answers: 1
During gel electrophoresis, restriction enzymes are used to cut dna into fragments. those fragments...
Biology, 19.07.2019 14:30
World Languages, 19.07.2019 14:30
Biology, 19.07.2019 14:30
Mathematics, 19.07.2019 14:30
Mathematics, 19.07.2019 14:30
English, 19.07.2019 14:30
Biology, 19.07.2019 14:30
Social Studies, 19.07.2019 14:30
Biology, 19.07.2019 14:30
Mathematics, 19.07.2019 14:30