Answer: control what goes in and out of the cells , it allows needed nutrients
Explanation:
Biodiversity is the different life forms and animals which exist on Earth. The biosphere is where all those animals live. hopefully, this helps
These proteins allow substances to enter that wouldn't be able to otherwise. Only small hydrophobic substances can enter cells. However, these proteins aid crucial substsances in entering the cell.<span />
Answer:
Explanation:
1- Capping occurs at the 5' end of mRNA.
2- The nucleside added is 7-methylguanosine.
3- The nuceloside is connected to the mRNA through a 5′ to 5′ triphosphate linkage.
4- The added nuceloside is modified by methylation at the nitrogen atom.
5- The mRNA is modified by methylation of ribose residues at the 2'-hydroxy position.