Restriction endonucleases cut DNA at specific sites, known as recognition sites, to produces DNA fragments useful for cloning. Restriction enzymes or restriction endonucleases are DNA cutting enzymes found in bacteria. Each restriction enzyme recognizes one or a few restriction sites. When it finds its target sequence, it makes a double stranded cut in the DNA molecule.
Answer:
75 percent of hydrogen, and 25 percent of helium.
Explanation:
The Sun is mostly composed of helium (He) and hydrogen (H). It is a big ball of gases that are converting into solar energy in the core of the Sun.
The Sun is the biggest star, composed of hot gases and it is located in the center of the solar system.
The temperature of the Sun is 5.726 degrees of Celsius. The percentage of hydrogen in the un is 75 percent, and helium 25 percent.
Answer:
it would be c
Explanation: when the volcano erupted the huge blast sent the new species of tree seed into the air where they landed and begin to grow
