Shedding of an old cuticle that takes place during growth and development.21.Each of the stages between the sheddings described above is called a(n)

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.

Why should organisms reproduce more offspring than will survive? select all that apply.

Why is carbon the backbone of liveing things