Một đoạn ADN gồm 20 cặp nucleotit. giả sử có 1 đột biến:thêm 1 cặp A-T vào đoạn ADN nêu trên 1, tính chiều dài của đoạn ADN bị đột biến
2, biểu thức A+G=T+X còn đúng với đoạn ADN bị đột biến trên không và tại sao

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

1) strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. this type of vegetative reproduction is known as a) pollination. b) fragmentation. c) binary fission. d) vegetative propogation.

In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing: