Why are carbohydrates and proteins transported as sucrose and amino acids in the phloem vessels

Question: Why are carbohydrates and proteins transported as sucrose and amino acids in the phloem vessels
- Keywords:
  carbohydrates,
  proteins,
  sucrose
Asked by Mia M to Wil on 7 Mar 2017.
- Wilhelmiina Toivo answered on 7 Mar 2017:
  
  I’m really sorry I don’t know – I only did biology at school and don’t remember a whole lot about it! 🙂

Question: Why are carbohydrates and proteins transported as sucrose and amino acids in the phloem vessels