Exercise 23.6 The two sides of the DNA double helix are connected by pairs of bases...
The two sides of the DNA double helix are connected by pairs of bases (adenine, thymine, cytosine, and guanine). Because of the geometric shape of these molecules, adenine bonds with thymine and cytosine bonds with guanine. The figure (Figure 1) shows the thymine-adenine bond. Each charge shown is ±e, and the H−N distance is 0.110 nm.A) Calculate the net force that thymine exerts on adenine. To keep the calculations fairly simple, yet reasonable, consider only the forces due to the...
In the DNA double helix, 2 strands of DNA are joined together through the hydrogen bonding of the individual base pairs. The base Guanine bonds to which other base. Answers: a. uracil b. cytosine c. thymine d. adenine
2) Draw the two base-pairs, A-T and G-C, depicting the nitrogen-containing bases attached to the deoxyribose-phosphate backbone of DNA. Include the hydrogen bonding sites. (Hint: Look at Figure 12.7, Chemistry in Context 7h Edition). A-T base-pairing (show the Hydrogen bonding): G-C base-pairing (show the Hydrogen bonding): 101 Oy. The process CH3 thymine 0----H-N HC adenine N- To deoxyribose and DNA chain To deoxyribose and DNA chain N -H cytosine HC-C guanine HC N To deoxyribose and DNA chain To deoxyribose...
Below are bases used in nucleic acids. (a) why are they called bases-what allows them to act as a base? (b) the two strands of DNA are held together in the double helix form by hydrogen bonds between complementary base pairs. What is a hydrogen bond? (c) Suppose a new disease appears that creates covalent, rather than hydrogen, bonds between the two strands of DNA (this is VERY unlikely!). If you had to design a drug to combat the disease,...
1. What is the magnitude of a point charge if the electric field it produces at a distance of 50 cm is 1.0 N/m? 2. Two point charges, one of +2.0 x 10" C and the other of +8.0 x 10-8 C, are separated by a distance of 10 cm. (a) What electric field does each produce at the position of the other? (b) What forces acts on each charge? 3. A charge Q is divided into two parts, q...