chapter 12 dna and rna vocabulary review answer key

Chapter 12 DNA and RNA Vocabulary Review Answer Key

As the owner of a biology education website, we strive to provide our users with the most up-to-date and comprehensive learning tools. One of the ways we achieve this is by creating vocabulary review answer keys for textbook chapters. In this article, we will be analyzing the key terms in Chapter 12 of your biology book, specifically those related to DNA and RNA.

DNA Review Terms

1. Deoxyribonucleic acid: Also known as DNA, this type of nucleic acid holds the blueprint for genetic information in all living organisms.

2. Nucleotide: The building blocks of DNA, containing a sugar molecule, a phosphate group, and a nitrogenous base.

3. Double helix: The twisted ladder shape of DNA, formed by two strands of nucleotides connected by hydrogen bonds.

4. Complementary base pairing: The pairing of nitrogenous bases in DNA: adenine with thymine, and guanine with cytosine.

5. Replication: The process by which DNA is copied, creating two identical daughter strands.

RNA Review Terms

1. Ribonucleic acid: Also known as RNA, this type of nucleic acid translates genetic information from DNA into proteins.

2. Messenger RNA: A type of RNA that carries genetic information from DNA to ribosomes, where proteins are synthesized.

3. Transfer RNA: A type of RNA that transports specific amino acids to ribosomes during protein synthesis.

4. Ribosomal RNA: A type of RNA that forms the structure of ribosomes, where proteins are synthesized.

5. Transcription: The process by which RNA is synthesized from DNA, creating a complementary strand of mRNA.


By understanding these key terms related to DNA and RNA, students can better grasp the complex workings of the genetic code. Here at our biology education website, we hope that our answer key has provided clarity and comprehension for learners of all levels. We strive to continue providing valuable resources for those who seek to expand their knowledge of biological concepts.

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