Prior to the discovery of Nanog, it was already known that Oct4 is not required to make a blastocyst, but is required for correct differentiation of the blastocyst. Design an experiment that would test whether Nanog expression requires Oct4 function in an intact embryo. Clearly state your experimental procedures, and your expectations if in fact Nanog expression depends on Oct4 function.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

artificial selection

explanation:

this occur when man select base on their intelligent

1. glacier movement over the crust.

2. upwelling from the water table.

3. formation of a terminal moraine

explanation:

lakes can be formed as a result of these three options.