11 public questions tagged with this topic.
Liberation Tigers of Tamil Elam were supported by correct for Indian politics post-independence nation building reorganization as per NCERT Politics in India.
Ref: NCERT Political Science Class XII Politics in India Since Independence Chapter 1 Nation Building explains princely states 565 integration reorganization.
गद्यांश के अनुसार प्राचीन काव्यशास्त्र के विधान को ज्यों का त्यों स्वीकार किया। सही उत्तर है क्योंकि पाठ में इसका स्पष्ट उल्लेख मिलता है।
Ref: NCERT Hindi Class XII Apathit Gadyansh explains comprehension passages questions interpretation skills for CUET Hindi preparation with examples clearly.
It is decided by Reserve Bank BOP correct; tariff barrier makes imports costlier restricts trade.
Ref: NCERT Economics Class XII Chapter 6 Balance of Payments explains BOP current capital account tariff quota exchange rate IMF concepts.
FGF signaling is canonical RTK pathway central to embryogenesis requiring heparan sulfate proteoglycan cofactor for high affinity. FGFR dimerization activates FRS2 adaptor and downstream Ras-ERK, PI3K-AKT, PLCγ-STAT cascades controlling proliferation. In limb, FGF10 from mesenchyme induces FGF8 in apical ectodermal ridge which maintains Sonic Hedgehog in zone of polarizing activity via Formin-Gremlin loop, but Sonic Hedgehog protein does not biochemically activate FGF receptors; interaction occurs via transcriptional regulation maintaining FGF expression, not direct receptor phosphorylation. T
Ref: Gilbert, Developmental Biology, 12th ed., Chapter 18: Limb feedback loop FGF in AER and Shh in ZPA interaction.
Osmosis defined as net movement of water across selectively permeable membrane driven by difference in water chemical potential. Water moves from region of higher free water concentration, meaning low solute, to lower free water where solute high, until equilibrium of potentials or balance by hydrostatic pressure. Membrane restricts solute passage due to size or polarity exclusion. Process requires no metabolic energy, purely passive diffusion using thermal kinetic energy. Aquaporins may accelerate but do not require ATP. Common misconception conflates solute diffusion with osmosis. Solutes al
Ref: Nelson & Cox, Lehninger Principles, Chapter 11: Osmosis vs Solute Diffusion - Definition Clarification.
Dynein heavy chains are among the largest AAA+ machines, containing six concatenated AAA modules forming an asymmetric ring. AAA1 is primary catalytic site where ATP binding closes interface with AAA2, straightening linker and detaching stalk from microtubule. Hydrolysis and phosphate release trigger linker swing from pre to post power stroke, pulling tail forward while microtubule-binding domain reattaches downstream. This cycle strictly depends on ATP concentration and hydrolysis; nonhydrolyzable analogs such as AMP-PNP arrest motility in strong binding state, vanadate traps ADP-Pi intermedi
Ref: Alberts Ch 16 Motor proteins; dynein AAA+ requires ATP hydrolysis, minus-end directed transport.
Predation is not mutualism because it benefits only one species while harming the other.
Ref: NCERT Class 12 Biology Chapter 11: Organisms and Populations Population Interactions - Mutualism and Amensalism
Uric acid is the least toxic nitrogenous waste and is excreted in a water-insoluble form.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Modes of Excretion - Ammonotelism Ureotelism Uricotelism
Glycolysis is an anaerobic process and does not directly require oxygen.
Ref: NCERT Class 11 Biology Chapter 12: Respiration in Plants Glycolysis - EMP Pathway and Link Reaction
Molecular cloning involves several enzymatic manipulations. Klenow fragment, lacking 5' exonuclease activity, can fill 5' overhangs to blunt ends using dNTPs. Isocaudomers XhoI and SalI generate compatible TCGA overhangs permitting cross-ligation. Alkaline phosphatase removes 5'-phosphate groups rather than 3'-phosphates, blocking self-ligation. Blue-white screening depends on alpha-complementation of lacZ; insertion inactivates beta-galactosidase producing white colonies on X-gal. However, white phenotype does not guarantee recombinant insert because vector mutations, primer dimers, or small
Ref: NCERT Biology Class XII Principles on Klenow fill-in labeling, Lehninger Chapter 9 DNA cloning techniques, and Molecular Cloning by Sambrook Chapter 10 documenting end-labeling of cohesive termini.
The enzyme undergoes a conformational change upon binding is the correct choice because it does not accurately describe or belong to the category addressed in this question. In the context of Enzymes Basics, the other options (The substrate fits perfectly into the enzyme’s active site, This model explains high specificity of enzymes, and It was proposed by Emil Fischer) are all valid and well-established concepts. The enzyme undergoes a conformational change upon binding is either unrelated to the topic, describes a different biological process, or represents a common misconception. Question
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 6
