Answer:
They can attract marine organisms.
They can prevent beach erosion.
They can attract tourists to the area.
Explanation:
1 is c 2 is b 3 is a 4 and 5 are both b
Before it leaves the nucleus, the mRNA is spliced to create mature mRNA. This splicing involves that cutting out of introns, leaving only the exons - which are the segments which code for a protein. Before it leaves the nucleus, the mRNA is spliced once again to create mature mRNA.
Answer:
2a.cell and their components
2bcells ....living
2c pre existing cells
3the structural and functional unit of life
4true nucleus .....organells
5 true nucleus ......membrane
