Answer: d. Extracellular matrix was discovered more than 20 years ago.
Explanation:
According to biological sciences, the extracellular matrix is a matrix that consists of three dimensional network of extracellular macromolecules such as enzymes, collagen and glycoproteins which provide structural and biological support for surrounding cells as well.
It is found that it is discovered over 20 years ago in the matrix formed in the mouse EHS sarcoma. Therefore, correct answer is (d).
DNA, or deoxyribonucleic acid, is a long chain molecule that plays a central role in life on earth. The information encoded in strands of DNA controls the genetic makeup of organisms. The DNA molecule has a backbone of sugars and phosphate groups off of which hang simpler units called nucleotide bases.
Answer:
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Explanation:
● Urbanization is the natural
phenomenon of large population immigrates to one town gradually and continually over a period of time. Due to rapid development in the country the industrial and political centers are getting urbanized. The policies of liberalization have too encouraged it. Urbanization is good for the economy as it increases. However, rapid growth causes congestion and pollution too.
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