约 1,170,000 个结果
在新选项卡中打开链接
  1. Carbohydrates | Overview, Structure & Function - Lesson

  2. Protein, Carbohydrates, Lipids & Nucleic Acid Elements

  3. What are the elements in carbohydrates? | Homework.Study.com

  4. Six Elements of Life | CHNOPS Definition & Roles - Lesson

  5. General Structure of Carbohydrates | Overview & Properties

  6. Carbohydrates: What elements make up this organic compound …

  7. What are the chemical elements that form carbohydrates?

  8. Carbohydrates in Biology: Formation, Roles & Glycosidic Linkages

  9. What is the symbol for carbohydrates? | Homework.Study.com

  10. What chemical elements are found in carbohydrates usually