Answer:
Cancer disease occurs when the abnormalities occurs during cell division of stem cells. Stem cells are those cells which are produced in the body and used by the body when the cells are older or get damaged. When the division of these stem cells are uncontrollable, cancer occurs which spread to the surrounding cells. When a large group of cancer cells grow in size, it turns into tumor.
Answer: gas in the air, pollution
Explanation:
Genomic imprinting is an epigenetic phenomenon that causes genes to be expressed in a parent-of-origin-specific manner.
Cholesterol is the answer <span />
Hi there!
Both DNA and RNA are known as nucleic acids - they are genetic material. The only difference is DNA stays inside the nucleus whereas RNA is transcribed to create proteins. (I believe).
Hope this helps!
