Biology CLEP Prep Practice Exam

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What type of molecules are used to transfer genetic information from one generation to the next?

  1. Proteins

  2. Lipids

  3. Carbohydrates

  4. DNA

The correct answer is: DNA

DNA (deoxyribonucleic acid) is the molecule that carries genetic information from parents to offspring. It is found in the nucleus of cells and is made up of nucleotides, which consist of a sugar, a phosphate group, and a nitrogen base. DNA is responsible for encoding the genetic instructions for the development and functioning of all living organisms. Proteins, lipids, and carbohydrates are all important molecules in living organisms, but they do not carry genetic information. Proteins are essential for cellular functions and structures, lipids play a role in storing and providing energy, and carbohydrates are important for energy and cell structure. Additionally, RNA (ribonucleic acid) is another type of molecule that plays a role in transferring genetic information, but it is not the primary molecule used for this purpose. RNA helps to copy and transfer the genetic information encoded in DNA. However, DNA

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