Given the following strand of DNA: 5' CATAGCCTTA 3' Which of the following sequences is the complementary DNA strand? O 5' CATAGCCTTA 3 O 3 GIATCGGAAT 5 O5'GTATCGGAAT 3' O 3' GUAUCGGAAU 5 O 3' CATAGCCTTA S

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**Question:**

Given the following strand of DNA: 5' CATAGCCTTA 3' Which of the following sequences is the complementary DNA strand?

- A) 5' CATAGCCTTA 3'
- B) 3' GTATCGGAAT 5'
- C) 5' GTATCGGAAT 3'
- D) 3' GUAUCGGAUU 5'
- E) 3' CATAGCCTTA 5'


The question presents a given DNA strand and asks for the identification of its complementary DNA strand. The options listed include various sequences, and the correct complementary DNA strand can be identified by following the base-pairing rules where Adenine (A) pairs with Thymine (T) and Cytosine (C) pairs with Guanine (G). Additionally, it is important to note the directionality of the strands (5' to 3' and vice versa).
Transcribed Image Text:**Question:** Given the following strand of DNA: 5' CATAGCCTTA 3' Which of the following sequences is the complementary DNA strand? - A) 5' CATAGCCTTA 3' - B) 3' GTATCGGAAT 5' - C) 5' GTATCGGAAT 3' - D) 3' GUAUCGGAUU 5' - E) 3' CATAGCCTTA 5' The question presents a given DNA strand and asks for the identification of its complementary DNA strand. The options listed include various sequences, and the correct complementary DNA strand can be identified by following the base-pairing rules where Adenine (A) pairs with Thymine (T) and Cytosine (C) pairs with Guanine (G). Additionally, it is important to note the directionality of the strands (5' to 3' and vice versa).
### Replication Process: Lagging Strand Synthesis

In Elongation of replication synthesis on the lagging strand proceeds __________ in the ________ direction of unwinding leading to short and discontinuous fragments.

**Answer Choices:**

1. ○ 5’ to 3’, same
2. ○ 5’ to 3’, opposite
3. ○ 3’ to 5’, same
4. ○ 3’ to 5’, opposite

### Explanation:
- **Lagging Strand:** During DNA replication, the lagging strand is synthesized discontinuously in short sections known as Okazaki fragments. This occurs because DNA polymerase can only synthesize DNA in a 5’ to 3’ direction, which is opposite to the unwinding direction of the double helix.

This understanding of the process is critical for grasping the intricacies of DNA replication and its enzymatic mechanisms.
Transcribed Image Text:### Replication Process: Lagging Strand Synthesis In Elongation of replication synthesis on the lagging strand proceeds __________ in the ________ direction of unwinding leading to short and discontinuous fragments. **Answer Choices:** 1. ○ 5’ to 3’, same 2. ○ 5’ to 3’, opposite 3. ○ 3’ to 5’, same 4. ○ 3’ to 5’, opposite ### Explanation: - **Lagging Strand:** During DNA replication, the lagging strand is synthesized discontinuously in short sections known as Okazaki fragments. This occurs because DNA polymerase can only synthesize DNA in a 5’ to 3’ direction, which is opposite to the unwinding direction of the double helix. This understanding of the process is critical for grasping the intricacies of DNA replication and its enzymatic mechanisms.
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