Biology, 04.04.2020 02:34 nancylagunas805
E. coil cells grown on 15 N medium are transferred to 14 N medium and allowed to grow for two generations. DNA extracted from these cells is ultracentrifuged in a cesium chloride density gradient. What density distribution of DNA would you expect in this experiment? (a) What did Meselson and Stahl observe when
(i) They cultured E. coli in a medium containing
15
NH
4
Cl for a few generations and centrifuged the content.
(ii) They transferred one such bacterium to the normal medium of NH
4
Cl and cultured for two generations.
Answers: 2
Another question on Biology
Biology, 22.06.2019 02:00
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
Answers: 3
Biology, 22.06.2019 04:00
Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.
Answers: 1
Biology, 22.06.2019 07:30
What is the process of pulling apart an n2 molecule nevermind i got it
Answers: 1
Biology, 22.06.2019 11:00
Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3
Answers: 2
You know the right answer?
E. coil cells grown on 15 N medium are transferred to 14 N medium and allowed to grow for two genera...
Questions
Business, 28.11.2019 05:31
