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Basics of Biotechnology Biotechnology is technological application that uses biological systems, living organisms, or derivatives thereof, to make or modify produc… Started by Dr. Krishna Kumari Challa	1	Jul 11, 2018 Reply by Dr. Krishna Kumari Challa
Qs on science and my replies to them - Part 107 Q: What is the difference between MDR -TB and XDR-TB? Krishna: First let us understand what TB is. It is a disease caused by bacteria (org… Started by Dr. Krishna Kumari Challa	1	Jun 29, 2018 Reply by Dr. Krishna Kumari Challa
Qs on science and my replies to them - Part 106 Q: Who are some scientists people should know more about? Women scientists. Here are the lists of some of great women scientists: 90+ Fam… Started by Dr. Krishna Kumari Challa	1	Jun 20, 2018 Reply by Dr. Krishna Kumari Challa
Qs on science and my replies to them - Part 105 Q Does hospital environment effect your BP? Krishna It does. Some peoples' nerves get jumpy in a hospital atmosphere. Other factors that c… Started by Dr. Krishna Kumari Challa	1	Jun 6, 2018 Reply by Dr. Krishna Kumari Challa
Qs on science and my replies to them - Part 104 Q: Is schizophrenia genetic? Krishna: About 60 to 70 percent of a person’s risk for schizophrenia depends on their genes. At the same time… Started by Dr. Krishna Kumari Challa	1	May 31, 2018 Reply by Dr. Krishna Kumari Challa
Qs on science and my replies to them - Part 103 - Red Idlis Q: Several people have complained to me that their idlis are turning red after cooking. Working women prepare the batter and keep it in… Started by Dr. Krishna Kumari Challa	1	May 30, 2018 Reply by Dr. Krishna Kumari Challa
Some Qs. people asked me on science and my replies to them - part 102 Q: Do our blood groups play a role in disease susceptibility? Krishna: Undoubtedly. Blood group antigens (a toxin or other foreign substa… Started by Dr. Krishna Kumari Challa	1	May 23, 2018 Reply by Dr. Krishna Kumari Challa
Nipah Virus Now people are worried about Nipah Virus (NiV) that is killing people in Southern India. And they are asking several worried questions. So… Started by Dr. Krishna Kumari Challa	1	May 23, 2018 Reply by Dr. Krishna Kumari Challa
Some Qs. people asked me on science and my replies to them - Part 101 Q: What are DNA banks? Krishna: DNA banking is a long term storage of an individual’s genetic material. DNA is most commonly extracted… Started by Dr. Krishna Kumari Challa	1	May 14, 2018 Reply by Dr. Krishna Kumari Challa
Some Qs. people asked me on science and my replies to them - Part 100 Interactive science series Q: Why do we feel lots of pain when a pape… Started by Dr. Krishna Kumari Challa	3	May 10, 2018 Reply by Dr. Krishna Kumari Challa