During the first phase of the menstrual cycle which is called the follicular phase, estrogen hormone will gradually increase causing the uterus lining to thicken. This thickening of uterine lining is preparation for possible implantation of embryo if fertilized egg travels safety to the uterus.
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Explanation:
Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells. If your blood has the protein, you're Rh positive. If your blood lacks the protein, you're Rh negative. Rh positive is the most common blood type.
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The endoplasmic reticulum, Golgi apparatus, and lysosomes are thus distinguished from other cytoplasmic organelles by their common involvement in protein processing and connection by vesicular transport.
<em>endoplasmic reticulum (ER)</em> (DEFINITION) Organelle in eukaryotic cells that helps make and transport proteins; site of lipid synthesis.
<em>Golgi apparatus</em> (DEFINITION) Organelle in eukaryotic cells that processes proteins and prepares them for use both inside and outside the cell.