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8. DNA Looks Like a Ladder Twisted into a Shape Known as a __ 9. Which Nitrogen Bases Always Pair with One Another? __ __ 10. The

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8. DNA looks like a ladder twisted into a shape known as a __ 9. Which nitrogen bases always pair with one another? __ __ 10. The nitrogen bases are held together in the center of the molecule by __ 11. If the sequence on the right hand side of the DNA molecule was AGTCGATCG, the com would have a sequence of __ 12. The process in which DNA builds an exact duplicate of itself is known as __ 13. What is the primary function of DNA? 14. During replication, enzymes called __ untwist the double helix, s parental strands.The point at which the two chains separate is known as the 15. A __ is a small segment of DNA that is the coded instructions for how A __

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Answer

8. DNA looks like a ladder twisted into a shape known as a**double helix**.9. Which nitrogen bases always pair with one another?**Adenine** and **Thymine**,**Cytosine** and **Guanine**.10. The nitrogen bases are held together in the center of the molecule by**hydrogen bonds**.11. If the sequence on the right hand side of the DNA molecule was AGTCGATCG, the complementary sequence would have a sequence of**TCAGCTAGC**.12. The process in which DNA builds an exact duplicate of itself is known as**replication**.13. What is the primary function of DNA?**To store and transmit genetic information**.14. During replication, enzymes called**helicases** untwist the double helix, separating the parental strands. The point at which the two chains separate is known as the**replication fork**.15. A **gene** is a small segment of DNA that is the coded instructions for how to build proteins.

Explanation

1. DNA's structure is a double helix.2. Adenine pairs with Thymine, and Cytosine pairs with Guanine.3. Hydrogen bonds hold the nitrogen bases together.4. Complementary base pairing dictates the sequence.5. DNA replication is the process of duplicating DNA.6. DNA's primary function is to store genetic information.7. Helicases are enzymes that untwist DNA; the separation point is the replication fork.8. A gene is a small DNA segment with coded instructions.