Answer:
Intramembranous ossification:
Intramembranous ossification, the development of osseous tissue occurs without the cartliage formation. The bone forms on the mesenchyme tissue. No intermediate cartilage is formed in this type of ossification. This process is important for the formation of flat bones.
Endochondral ossification:
Endochondral ossification, the development occurs from the center and true bone tissue is replaced in this type of ossification. The cartilage formation occur in this process. An intermediate cartilage is formed in this type of ossification. This process is important for the formation of long bones.
Answer:
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Explanation:
As a sweetener, xylitol is an excellent choice. Whereas some sweeteners may cause health risks, studies show that xylitol has actual health benefits. It doesn't spike blood sugar or insulin, starves the plaque-producing bacteria in your mouth and feeds friendly microbes in your digestive system.
Calyces are the funnel shaped channels that empty urine into the renal pelvis
Answer: Option B. "Lysosomes"
Explanation:
Lysosomes are defined as the organelles that act as cell’s recycling center which dispose and digest unwanted carbohydrates, lipids, protein, RNA, and DNA in the cell, one of the major role of lysosomes in the cell.
Lysosome is acidic from inside that contains many enzymes helps in breaking down unwanted molecules. recycling function is initiated by the procsess called autophagy, which allows the cell digests itself due to under stress and when cell undergoes senescence (growth arrest) to preserve energy with the help of enzymes present in it.
In this way the lysosome engulfs external particles and converts it into useful substances like protein, fat and sugar.
Hence, the correct option is B.
