Answers: 3
Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
Biology, 22.06.2019 08:30
What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna
Answers: 2
Biology, 22.06.2019 17:30
The krebs cycle is also known as the calvin cycle pyruvic acid cycle carbon - oxygen cycle citric acid cycle
Answers: 2
Biology, 22.06.2019 19:30
True or false most plants are c3 plants, because they use molecules of carbohydrate known as g3p in their photosynthesis process.
Answers: 1
Explain the difference between each of the following substitution mutations:
a. Silent mutation -
Business, 02.10.2019 07:30
History, 02.10.2019 07:30
Mathematics, 02.10.2019 07:30
English, 02.10.2019 07:30
Mathematics, 02.10.2019 07:30
Biology, 02.10.2019 07:30
History, 02.10.2019 07:30
Biology, 02.10.2019 07:30
Social Studies, 02.10.2019 07:30