Answer;
mRNA is synthesized from a strand of DNA
During transcription mRNA is synthesized from a strand of DNA.
Explanation;
Transcription is the process that takes place in the nucleus of a cell, where DNA molecules acts as a primer to synthesis messenger RNA, catalyzed by the enzyme RNA polymerase.
It is the first step of expression of gene, a particular segment of DNA is copied to mRNA by RNA polymerase.
Then the mRNA is transported to the cytoplasm for the process of translation in which proteins are formed.
Your body used the respiratory system (lungs)
Answer:
Due to continuous global warming, the oceans tend to gain more heat, and hence the temperature rises. In the current century, the heated conditions of the oceans can be threatful for the human population. Also, the increase in the sea levels will have serious consequences on the health of mankind and their quality of life.
Explanation: