Answer:
strengths:The cell model shows all the process involved, and it's easy to understand, even if a person isn't familiar with the process
weaknesses: it doesnt show organelle or rna
C) it regulates what goes in and out of the cell
Usually the membrane is the organelles that acts like a door. They decide what type of nutrients and molecules go into the cell.
The element that is most common in Vitamin D is CARBON.
The four nitrogenous bases in DNA are adenine, guanine, cytosine, and thymine. They pair A-T, G-C and when transfering with RNA, A-U, which is known as Uracil, so, the pairs would be...
ATGCT
↓↓↓↓↓
UACGA
I hope this helps!
