Lactic acid in lactic acid fermentation
ethanol in alcoholic fermentation
At the beginning of the follicular phase, the lining of the uterus (endometrium) is thick with fluids and nutrients designed to nourish an embryo. If no egg has been fertilized, estrogen and progesterone levels are low. As a result, the top layers of the endometrium are shed, and menstrual bleeding occurs.
The left or right lateral motion of one plate against another along transform faults can cause highly visible seismic crust effects. This intense heat and pressure can easily metamorphisize rocks. - Hope this helps
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Explanation:
Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm. The absence of a nucleus and other membrane-bound organelles differentiates prokaryotic from another class of organisms called Eukaryotas.