Answer:
The hydrogen bond between complementary nucleotides (C)
Explanation:
Hope this helped
It depends on your teacher, it should be A. It could be B if that’s what your teacher wants but I would go with A.
An ecological niche is an organism's specific habitat in an ecosystem.
It is where it lives and feeds, etc.
This has to do with SURFACE TO VOLUME RATIO. For a typical small cell, its surface area to the volume ratio get smaller as the cell grows. This implies that, if the cell grows beyond a certain limit, then the amount of nutrients that entered the cell will be limited, that is , nutrients will not be able to migrate into the cell as needed. To avoid this, the cell has to divide to reduce its surface to volume ratio.<span />
