In an inducible operon, the genes are
In an inducible operon, the genes are Options (a) Always expressed (b) Usually not expressed unless a signal turns them…
7 years ago
Questions
For its action, nitrogenase requires
For its action, nitrogenase requires Options (a) Mn²⁺ (b) light (c) high input of energy (d) super oxygen radicals Correct…
7 years ago
Polyethylene glycol method is used for
Polyethylene glycol method is used for Options (a) biodiesel production (b) seedless fruit production (c) energy production from sewage (d)…
7 years ago
The letter T in T -lymphocyte refers to
The letter T in T -lymphocyte refers to Options (a) Thalamus (b) Tonsil (c) Thymus (d) Thyroid Correct Answer: ThymusExplanation:No…
7 years ago
Peripatus is a connecting link between:
Peripatus is a connecting link between: Options (a) Mollusca and Echinodermata (b) Annelida and Arthropoda (c) Coelenterata and Porifera (d)…
7 years ago
Frogs differ from humans in possessing:
Frogs differ from humans in possessing: Options (a) paired cerebral hemispheres (b) hepatic portal system (c) nucleated red blood cells…
7 years ago
During muscle contraction in humans the
During muscle contraction in humans the Options (a) Actin filaments shorten (b) Sarcomere does not shorten (c) A band remain…
7 years ago
Darwin’s finches are a good example of:
Darwin's finches are a good example of: Options (a) Industrial melanism (b) Connecting link (c) Adaptive radiation (d) Convergent evolution…
7 years ago
Apomictic embryos in citrus arise from
Apomictic embryos in citrus arise from Options (a) Synergids (b) Maternal sporophytic tissue in ovule (c) Antipodal cells (d) Diploid…
7 years ago
What is common to whale, seal and shark?
What is common to whale, seal and shark? Options (a) Thick subcutaneous fat (b) Convergent evolution (c) Homoiothermy (d) Seasonal…
7 years ago