TS EAMCET · Chemistry · Biomolecules
The number of complementary hydrogen bond(s) between a guanine and cytosine pair is
- A 2
- B 1
- C 4
- D 3
Answer & Solution
Correct Answer
(D) 3
Step-by-step Solution
Detailed explanation
The number of hydrogen bonds between adenine and thymine are two \((A=T)\) where as the number of hydrogen bond between guanine and cytosine are three \((\mathrm{C}: \mathrm{C})\).
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- The polymer chains are held together by hydrogen bonding in a polymer X. Polymer X is formed from monomers Y and Z. What are Y and Z ?
TS EAMCET 2025 Medium - \(\mathrm{PCl}_5 \rightleftharpoons \mathrm{PCl}_3+\mathrm{PCl}_2\) If the equilibrium constant \(\left(K_C\right)\) for the above reaction at \(500 \mathrm{~K}\) is 1.79 and the equilibrium concentration of \(\mathrm{PCl}_5\) and \(\mathrm{PCl}_3\) are \(1.41 \mathrm{M}\) and \(1.59 \mathrm{M}\), respectively, then the concentration of \(\mathrm{Cl}_2\) is approximately.TS EAMCET 2018 Easy
- The common components of photochemical smog areTS EAMCET 2024 Easy
- Which one of the following represents Boyle's temperature of a gas?TS EAMCET 2019 Medium
- Which one of the following methods can be used to find out the percentage composition of halogen present in an organic compound?TS EAMCET 2019 Easy
- Which of the following elements reacts with water?TS EAMCET 2020 Easy
More PYQs from TS EAMCET
- The \(\Delta_f \mathrm{H}^{\circ}\) of \(\mathrm{AO}(\mathrm{s}), \mathrm{BO}_2(\mathrm{~g})\) and \(\mathrm{ABO}_3(\mathrm{~s})\) is \(-635, x\) and \(-1210 \mathrm{~kJ} \mathrm{~mol}^{-1}\) respectively. \(\mathrm{ABO}_3(\mathrm{~s}) \rightarrow \mathrm{AO}(\mathrm{s})+\mathrm{BO}_2(\mathrm{~g}) ; \Delta_r \mathrm{H}^{\circ}=175 \mathrm{~kJ} \mathrm{~mol}^{-1}\).
What is the value of \(x\) (in \(\left.\mathrm{kJ} \mathrm{mol}^{-1}\right)\) ?TS EAMCET 2024 Medium - If the line passing through the points \((a, 2,-4)\) and \((5,3, b)\) crosses the \(Z X\)-plane at the point \((-a+2 b, 0, a+b)\), then \(14 a+7 b\)TS EAMCET 2020 Easy
- \(\frac{d}{d x}\left[\left(x^{\frac{5}{2}}-x^{\frac{3}{2}}+1\right)\left(x^2-3 x+5\right)\right]=\)TS EAMCET 2022 Hard
- A body of mass \(3 \mathrm{~kg}\) is moving under the action of a force which causes a displacement of \(\left(\frac{t^3}{3}\right) \mathrm{m}\), where ' \(\mathrm{t}\) ' is time in seconds. The work done by the force in first 2 seconds isTS EAMCET 2023 Easy
- For and if
thenTS EAMCET 2021 Hard - If \(\tan \theta\) and \(\cot \theta\) are two distinct roots of the equation \(a x^2+b x+c=0, a \neq 0, b \neq 0\), thenTS EAMCET 2025 Medium