Answer: I believe it is C.
The correct way to describe science is that is referred as a way of knowing.
The reason for this definition is that, it is responsibility of ancient to help humans to gain knowledge and understands in response to what they want to search so as to know more about something.
It organizes and builds knowledge for predictions and explanation on the universe.
Science can be divided into natural science, social science which include economics, and formal science which include mathematics.
Answer: The correct option is C.
Cloning vectors.
Explanation:
Viruses are use as cloning vectors because they can give the new gene or birth the new gene by infecting the cell. They are so modified and orogrammed in such a way that they cannot cause disease when it is used in humans. Cloning vector is a DNA fragment gotten from viruses or bacteria plasmid which is maintained and used for cloning purposes.
Answer:
The correct answer is Most DNA binding protein would have strong positive charge .
Explanation:
DNA is the genetic material in most organism. DNA consist of nucleotides that contain a nitrogen base,deoxyribose sugar and phosphate group. The phosphate group is highly reactive and contain negative charge.
Most DNA binding protein such as Helix turn helix, Leucine zipper,Zinc finger Interracts with the negatively charged phosphate group by the positive charge that they contain . This positive charge facilitates their interraction with negatively charged DNA molecule.
2019 years have humans been on earth