The elements that is common among proteins, DNA, RNA and Alkaloids ………………….
A) Carbon
B) Nitrogen
C) Sulphur
D) Mercury
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In RNA the source of complementary RNA could be from an infection by viruses having RNA genomes or Mobile genetic elements (transposons) that form com
Correct Answer - RNA intermediate
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10. Lymph differs from blood in possessing (1) More proteins and less waste products (2) Less proteins and more waste products (3) More proteins and more waste products (4) Less proteins and less waste products
(2) Less proteins and more waste products
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The common features among the species CO and NO^+ are : ……………
Correct Option is : (A) isoelectronic species and bond order 3 Both CO and \(NO^+\) have 14 electrons . It means they are isoelectronic species. Both species have bond order = 3
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The alkaloids that save from snakebite.
(C) Reserpine
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1. In which phase the amount of DNA per cell doubles? 2. Which types of RNA are synthesized during first growth phase?
1. S-phase. 2. m-RNA, t-RNA and r-RNA
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Find the common difference of the AP 4,9,14,… If the first term changes to 6 and the common difference remains the same then write the new AP.
The common difference is 9 - 4 = 5 If the first term is 6 and common difference is 5, then new AP is, 6, 6 + 5, 6 + 10… = 6,11,16….
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An enzyme that uses viral RNA as template for the synthesis of DNA is
(b) reverse transcriptase
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Assertion: Central dogma is the flow of information from DNA to m RNA and then decoding the information present in m RNA in the form of protein.
b. Both assertion and reason are true, but reason is not the correct explanation of assertion.
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Which of the following statement are incorrect ? (i)RNA act as a genetic material as well as a catalyst. (ii)RNA is more stable than DNA (iii)RNA has
Correct Answer - b (b) : Evidences suggest that essential life processes such as metabolism, splicing , translation, etc. evolved around RNA . RNA used to act as a genetic material...
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Chemically, RNA is (i)_____ reactive and (ii)_____ stable as compared to DNA.
Correct Answer - c (c)
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