Answer:
Patches of fibrocartilage formed in the healing of a fracture are called <u>soft callus</u>, whereas the bony collar formed around the fracture is called <u>hard callus</u>.
Explanation:
In the fibrocartilage or soft bone callus phase, the necrotic bone is removed by osteoclastia and dead soft tissues are being removed by macrophages. The fibroblasts are activated and a granulation tissue is generated that supposes the appearance of new vessels and, with them, the arrival of more connective tissue cells. A tissue called fibrous callus or fibrocartilage begins to form, composed of a poorly structured amalgam of fibrous tissue, cartilage, and amorphous bone.In hard callus, bone and later cartilage are deposited in the growing historical mass. The two collars of callus, fixed to the bone at some distance from the fracture, they grow upwards and towards each other, forming an arc on focus.
Answer:
Comparison between serine protease and aspartic protease
Both serine protease and aspartic protease are the hydrolytic enzymes play an important role in the digestion of protein molecules
Explanation:
Contrast betwwen serine protease and aspartate protease
Serine protaese contain serine amino acids in its active site or substrate binding site whereas Aspartic protease contain aspartic acid in its active site of substrate binding site.
Trypsin, chymotrypsin and elastase belongs to the family of serine protease Whereas pepsin,rennin belongs to the family of aspartic protease.
I think the correct answer is C. Less than 10% of rain falls in a dry desert. Desert biomes are known to be the driest of all types of biomes. It receives very or almost no rainfall. Precipitation in a dry desert is about 250 mm per year.
