Author: Dr. Karuna Sharma
Ph.D. Environmental sciences, M.Sc. Zoology, Gold medalist, Goa University Topper. Conduct classes for NEET and NET Life Sciences
Draw a neat labelled diagram showing heterogametes in human .
Explain in detail how amino acids are polymerised to proteins?
Translation is the second part of the central dogma of molecular biology : RNA → Protein. It is the process in which the genetic code Read More …
How can transgenic fishes be used to detect the toxicity in a water body within a short period
Transgenic fishes carry genes which make them more sensitive to toxic substances than the non – transgenic ones. When exposed to toxic substances the Read More …
Consider that a double stranded DNA has 15% Guanine . What will be the % of Thymine? Explain?
Acc. To Chargaffs rule the ratio of Purines : Pyrimidines is a constant in a double strand ed DNA for a given species . Read More …
In a given DNA molecule, if the amount of thymine is 35% what will be the % of adenine. Options are – i. 15% ii. 30% iii. 35% iv. 20%
According to Chargaff’s rule the ratio of Purines : Pyrimidines in a double stranded DNA, is a constant for a given species .This ratio Read More …
Give an account of any 3 benefits of transgenic animals to humans
Any three of the below can be written : Transgenic animals are used – To study how genes are regulated, and how they affect Read More …
Describe the method of separation& isolation of DNA fragments . OR Explain the technique of gel electrophoresis used to separate DNA fragments in biotechnology .
The molecule of DNA can be cut by the enzyme restriction endonucleases. These fragments of DNA can be separated by a technique known as Read More …
How was the invasive prickly pear cactus brought under control?
Biological control – Introducing a predator moth species feeding on cactus controlled the prickly pear cactus in Australia.
Gene therapy is a corrective for hereditary diseases. Justify using suitable examples.
Gene therapy is a collection of methods that allows correction of a gene defect that has been diagnosed in a child / embryo. Correction Read More …