Diyalog tamamlamaSoru #8603
Complete the dialogue with the most appropriate option:
Tuğba: Did you know that some honey samples found in ancient Egyptian tombs are still perfectly edible?
Okan: That sounds unbelievable! How could an organic food substance avoid spoiling for thousands of years?
Tuğba: ----
Okan: Fascinating! Nature basically created a flawless natural preservation formula.
Tuğba: Did you know that some honey samples found in ancient Egyptian tombs are still perfectly edible?
Okan: That sounds unbelievable! How could an organic food substance avoid spoiling for thousands of years?
Tuğba: ----
Okan: Fascinating! Nature basically created a flawless natural preservation formula.
- A)Archaeologists always store ancient food discoveries in climate-controlled museum freezers.
- B)Honey has extremely low moisture content, high acidity, and bees add an enzyme producing hydrogen peroxide, which prevents all bacterial growth.
- C)Ancient Egyptians coated clay jars with thick bitumen to keep air and desert sunlight out.
- D)Bees in the Nile valley collected nectar from medicinal desert herbs with antibacterial properties.
- E)Most foods spoil because aerobic molds thrive in warm Mediterranean coastal conditions.
Cevabı ve çözümü göster
Doğru cevap: B) Honey has extremely low moisture content, high acidity, and bees add an enzyme producing hydrogen peroxide, which prevents all bacterial growth.
Çözüm: Okan'ın organik bir maddenin binlerce yıl nasıl bozulmadığını sorması ve ardından "Nature basically created a flawless natural preservation formula" demesi, Tuğba'nın balın düşük su oranı, yüksek asitliği ve hidrojen peroksit enzimini anlattığını gösterir. B seçeneği doğrudan bu biyokimyasal mekanizmayı içerir.