Glu di chuyển về cực dương (anode), còn Gly và Lys di chuyển về cực âm (cathode).

• Etyl axetat: 𝐶𝐻3𝐶𝑂𝑂𝐶𝐻2𝐶𝐻3
• Metyl propionat: 𝐶𝐻3𝐶𝐻2𝐶𝑂𝑂𝐶𝐻3
• Metyl axetat: 𝐻𝐶𝑂𝑂𝐶𝐻2𝐶𝐻2𝐶𝐻3
• Propyl format: 𝐻𝐶𝑂𝑂𝐶𝐻(𝐶𝐻3)2

.

In Vietnam, many young people enjoy Western festivals like Christmas and Halloween. Some see this as a fun activity, while others worry that foreign cultures may replace local traditions. In my opinion, celebrating these festivals can be positive if people keep a balance.

On the one hand, foreign festivals bring joy and create chances for young people to connect. For example, Halloween costumes and Christmas decorations make schools and streets more lively. Taking part in these events also helps young people learn about international culture, which is useful in today’s global world.

On the other hand, focusing too much on foreign festivals may weaken interest in traditional events such as Tết or the Mid-Autumn Festival. If young people ignore these, Vietnam’s cultural identity could fade over time.

In conclusion, enjoying foreign festivals is not harmful, but it is important for Vietnamese people to respect and preserve their own traditions.