Answer:
Pluto did not meet the three size criteria
Explanation:
To become a planet Pluto only missed ONE reason that resulted in demotion to a dwarf planet. The reason for that is because Pluto didnt "clear its neighbouring region of other objects."
There are water-tight junctions between cells in the stomach, so that no HCl can leak out of the stomach into the abdomen, which are tight junctions.
Option E
Explanation:
The tight junctions are the water tight sealing boundaries through which the content of the stomach do not cross the epithelial lining of the stomach and neither do the outer fluid crosses the epithelial lining inside of it.
The tight junction is established via claudins, which are protein molecules by constituents. They are present in the cell and they pair up with the claudin molecule present on the adjoining or opposite claudin of the other cell, forming branch like tight network.
Answer:
Explanation:
This is usually because when they first became fossils, they embedded into the ground. Over many years afterwards, more layers came to cover that layer and so on. Newer fossils would be embedded into newer layers. That's why the older ones tend to be found the deeper you look.
Answer:
A) Mating
Explanation:
Its a) Mating because mating mean to be together with the same opposites in biological term. And intraspecific aggression is totally opposite.