Salmonella is a gram negative bacterium. Unlike other bacteria, Salmonella does not cause tissue damage in the body. In fact it releases a protein…
Ans. Vertigo. Explanation: Vertigo is a disease related with balance of inner ear. If the vestibular nerve (from inner ear to CNS) is affected…
Staphylococcus lugdunensis. Explanation: This strain produces a cyclic-peptide antibiotic, lugdunin; lugdunin does not allow colonies of S. aureus to form.
a) Autonomous specification. Explanation: Autonomous specification occurs in most invertebrates. The fates of blastomeres in early developmental stages is invariant (unchangeable). In this, the…
a) need or want (is the correct answer). Please note that hybridisation, crossover and mutations all result in mixing of gene components leading to…
For mitosis experiments, onion root tips are used. The root tip cells are actively dividing meristematic cells and mitosis can be observed in them…
The disease which is spread from person to person is known as infectious disease. In this regard, an example of Ebola virus outbreak can…
Ans… a) is false. Protein domains can have beta barrel. b) is also false. Protein domains are autonomous structures and can fold independently. c)…
Ans: A non-essential amino acid is one which is synthesized in the body. Tyrosine is synthesized in the body from Phenylalanine, which is itself…
Canker sores, also known as mouth ulcers; are a rare disease of the alimentary canal. In it painful lesions are created in the mouth, on tongue,…
Holy Basil (botanical name: Ocimum sanctum), is worshipped as a goddess in our country, and I need not mention the faith our great…