Last seen: Dec 29, 2021
The problem is stomach enzymes and acids. Once you orally ingest a protein, the proteases in your stomach juices (trypsin, chymotrypsin, pepsin) will ...
Proteases occur naturally in all organisms. These enzymes are involved in a multitude of physiological reactions from simple digestion of food protein...
Golden rice is a GM rice with increased vitamin A content.
rDNA technology is a technique of genetic engineering that involves combining DNA from two different sources to produce recombined or recombinant DNA ...
The given diagram represents the experimental steps in cloning and expressing a human gene for growth hormone into a bacterium E. coli. figure.png ...
Gene therapy is the technique of genetic engineering used to replace a faulty gene with a normal, healthy functional gene. The first clinical gene the...
Cry proteins are a group of toxic protein which are highly poisonous to deficient types of insects. It is produced by a soil bacterium Bacillus thurin...
Advantages of genetically modified crops or transgenic crops are as follows : They are resistant to pests, herbicides and diseases. They help t...
Transgenic bacteria are one that carries a transgene or a foreign gene of interest introduced using recombinant DNA technology. e. g., bacteria carryi...
(c) Toxin is inactive: In bacteria, the toxin is present in an inactive form called prototoxin. This gets converted into the active form when it enter...
Correct answer: (b) the two sulphur atoms are at different oxidation states of +6 and -2 Explanation: Na2S2O3 + 2HCl → 2NaCl + SO2 + S + H2O
Correct answer: (a) Ca Explanation: Ca + H2 → CaH2 + 2H2O → Ca(OH)2 + H2
Correct answer: (c) Na2S + Na2S2O3 + H2O Explanation: 4S + 6NaOH → Na2S2O3 + 2Na2S + 3H2O
Correct answer: (d) CaO Explanation: CaO + CO2 → CaCO3 CaO + H2O → Ca(OH)2 hissing sound and ΔH = -ve
Correct answer: (b) MgSO4 Explanation: 2MgSO4 + 2Na2SO3 + H2O → MgCO3.Mg(OH)2 + 2Na2SO4 + CO2 Basic magnesium carbonate
Correct answer: (a) NaHCO3 and NaOH Explanation: NaHCO3 + NaOH → Na2CO3 + H2O (NaHCO3 is an acidic salt)
= ; Rcu = RNi = = = x = = cm ≈ 0.97 cm
Correct answer: (a) Explanation: Magnitude of each vector be = + = + = - + = () + () tanθ = =
Correct answer: (c) NOR Explanation: figure.png c = = & d = = Y = c.d = . = ∴ this circuit represents NOR gate.
Correct answer: (a) 2.2 W Explanation: Equivalent resistance of circuit = 0.55 + 0.6 = 1.15 Ω Voltage/EMF of the circuit = 2.2 V ∴ Current (...