GATE BT 2023 Paper 1 — page 19

Questions 55–57 of 65. Imported answers require review unless explicitly marked reviewed.

DNA sample collected from an unidentified bacterial species (Y) contains 13% of adenine. The G+C content (in percentage) of Y is __________.

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If 100 bp of a double-helical DNA weighs 1×10

gm and distance between two bp is 0.34 nm, the total amount of DNA (in mg, rounded off to one decimal place) required to stretch from Earth to Moon (assuming the distance between Earth and Moon to be 3,74,000 km) is __________.

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A protein has three identical sites arranged at the vertices of an equilateral triangle. If one site is filled with a dye (donor), the measured quantum yield (

) is 0.5. Filling one site with a donor dye and a second site with an acceptor dye results in

of 0.25. The measured

of one site filled with donor and the other two sites filled with acceptor dye (rounded off to three decimal places) is __________.

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2023 · Paper 1

Question 55

Question 56

Question 57