Propose an explanation for how a single amino acid substitution could cause such a dramatic difference in the final shape of red blood cells.

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?