Answer;
-Inactivation; limited
Differentiation requires inactivation of particular genes to produce populations with limited capabilities that form tissues.
Explanation;
-Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression.
-Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.
-Gene expression plays a critical role in the morphological changes that take place in a developing embryo and fetus and in the differentiation of stem cells to form specialized cells.
A- Gravity. I believe it is gravity since that is the only one that makes sense in this situation. I hope i helped! :)
there should be an image or something?
Transports salt into the ocean.
Answer:
A. A penguins feet are large and flat with claws for traction on ice
Explanation:
It includes the structure of the feet and the function of it.
