How is the Dingell-Johnson act different from the Pittman-Robertson act?

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

Which units ate used to measure both velocity and speed? check all that apply

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated