<span>Sumerians built walls using the natural resource they were surrounded with, which was namely clay. They used this clay to create fired mud-bricks, as there was not any other building stone available at the time. However, the clay mud-bricks proved to be a solid structure for town fortification.</span>
Rough and smooth endoplasmic reticulum
The high turgor pressure drives movement of phloem sap by “bulk flow” from source to sink, where the sugars are rapidly removed from the phloem at the sink. Removal of the sugar increases the Ψs, which causes water to leave the phloem and return to the xylem, decreasing up
In meiosis , the no of chromosomes in the daughter cells reduces into half no of that in the initial cell :18
The sporophore is the umbrella-shaped body of the mushroom. It
is also called the "fruit" of the fungi. It starts out as a small
button and grows into stalk and cap. The cap becomes larger and unfolds like an
umbrella.