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Chapter 22: Problem 115

Part of a certain DNA sequence is G–G–T–C–T–A–T–A–C. What is the complementary sequence?

Short Answer

Expert verified
The complementary DNA sequence of G–G–T–C–T–A–T–A–C is C–C–A–G–A–T–A–T–G.

Step by step solution

01

Identify the given DNA sequence

The given DNA sequence is G–G–T–C–T–A–T–A–C.
02

Determine the complementary bases

We know that the complementary bases are A-T and G-C pairs. So, we need to find the complementary base for each base in the given sequence: - Complementary of G (Guanine) is C (Cytosine) - Complementary of T (Thymine) is A (Adenine) - Complementary of C (Cytosine) is G (Guanine) - Complementary of A (Adenine) is T (Thymine)
03

Replace each base with its complementary base

Now we replace each base in the given sequence with its complementary base: - G –> C - G –> C - T –> A - C –> G - T –> A - A –> T - T –> A - A –> T - C –> G
04

Write the complementary sequence

After replacing each base with its complementary base, we get the complementary DNA sequence: C–C–A–G–A–T–A–T–G.

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Most popular questions from this chapter

Ethylene oxide is an important industrial chemical. Although most ethers are unreactive, ethylene oxide is quite reactive. It resembles $\mathrm{C}_{2} \mathrm{H}_{4}$ in its reactions in that addition reactions occur across the \(\mathrm{C}-\mathrm{O}\) bond in ethylene oxide. a. Why is ethylene oxide so reactive? (Hint: Consider the bond angles in ethylene oxide as compared with those predicted by the VSEPR model.) b. Ethylene oxide undergoes addition polymerization, forming a polymer used in many applications requiring a nonionic surfactant. Draw the structure of this polymer.

Draw all structural and geometrical (cis-trans) isomers of $\mathrm{C}_{4} \mathrm{H}_{7} \mathrm{F}$ . Ignore any cyclic isomers.

Draw a structural formula for each of the following. a. 3-methylpentanoic acid b. ethyl methanoate c. methyl benzoate d. 3-chloro-2,4-dimethylhexanoic acid

All amino acids have at least two functional groups with acidic or basic properties. In alanine, the carboxylic acid group has $K_{a}=4.5 \times 10^{-3}\( and the amino group has \)K_{b}=7.4 \times 10^{-5} .$ Three ions of alanine are possible when alanine is dissolved in water. Which of these ions would predominate in a solution with \(\left[\mathrm{H}^{+}\right]=1.0 M ?\) In a solution with \(\left[\mathrm{OH}^{-}\right]=1.0 \mathrm{M} ?\)

Draw all the structural and geometrical (cis–trans) isomers of bromochloropropene.
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