The answer is c mediastinum
The first step of DNA replication is the separation of the two DNA strands to create a replication bubble. DNA Helicase is what breaks the hydrogen bonds joining the two strands, allowing it to unravel.
For real lo people just be putting anything
The correct option is C.
Climate is a very important factors in the lives of all living organisms, because it is one of the major factors that determine if a living organism is going to survive or not. Climate change is said to occur when there are changes in the earth's climate system, which result in formation of new weather patterns that last for a long time.
Climate change affect living organisms in different ways; while climate change is beneficial to some organisms, it is detrimental to some. For instance, in Europe climate change (increase in temperature) has been found to have positive effects on some birds populations.
