Answer:
A. Rheumatoid arthritis is characterized by periods of remission and exacerbation
C. Rheumatoid arthritis can cause fatigue and weight loss
Explanation:
Answer: Mixture
Explanation:
If there is and unstable element composition of say, pure graphite an un-pure gold then a chemical reaction will most likely be used to separate the two elements.
Answer:
Tight or occluding junctions This type of junction is also called zonula occludens and is the most apical structure in the epithelial cell. Zonula occludens describes, that there is a formed band of tight junctions which encircles every cell.
Explanation:
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