Which of these causes sickle-cell anemia? (1 point) O base pair deletion
O too few chromosomes
O too many chromosomes
O base pair substitution

{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.

Archaebacteria use for movement. celia flagella pili cell walls

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary