Option D
polymerase chain reaction (PCR) do Makes more copies of a sample of DNA
<u>Explanation:</u>
A procedure to create several portraits of a distinct DNA section is termed as Polymerase chain reaction. In other words, it is a lab routine handled to compose various representations of a portion of DNA. PCR is extremely explicit and can be utilized to increase, or model, a particular DNA destination from a hybrid of DNA particles.
In PCR, the effect is regularly cycled within a range of temperature variations, which deduct countless models of the destination range to be exhibited. PCR intends to obtain sufficient of the objective DNA region that it can be examined or applied in some other way.
Answer:
the conclusive evidence about CFCs (chlorofluorocarbons) and the ozone layer of the earth.
Explanation:
Susan Solomon, Web of Science article reveals the conclusive evidence that CFCs (chlorofluorocarbons) could be destroying the protective layer of ozone in the earth’s upper atmosphere. CFCs are compounds that have the potential to destroy the protective layer of ozone (an oxygen compound) in the earth’s upper atmosphere.
This condition is caused by a genetic defect found in the X chromosome, and therefore, you can conclude your answer from this info.
A. stream erosion Just think about how the Grand Canyon was maid
Answer:
Scientists repeats the steps in cycle mode and in order to be sure about the results he/she chosen.
