Amino axit nào sau đây có hai nhóm amino:

A. Axit glutamiC.

B. Lysin.

C. Alanin.

D. Valin.

The city is amazing

Dễ ợt vì bài khó đã có học24

Em thích học 24
 

Cho các chất sau đây: NH₂-CH₂-CO-NH-CH₂-CO-NH-CH₂-COOH (X); NH₂-CH₂-CO-NH-CH(CH₃)-COOH (Y); NH₂-CH₂-CH₂-CO-NH-CH₂-CH₂-COOH (Z); NH₂-CH₂-CH₂-CO-NH-CH₂-COOH (T); NH₂-CH₂-CO-NH-CH₂-CO-NH-CH(CH₃)-COOH (U). Có bao nhiêu chất thuộc loại đipeptit?

A. 1.

B. 2.

C. 3.

D. 4.

Đáp án: 45. Chuẩn 100% đó em. Có cần giải chi tiết không vậy?

Apatit thuộc loại khoáng sản khoáng sản phi kim. 

1. My name’s Tung. I attended Financial and Marketing University where I majored in Marketing. I started my career at Life company as a Marketer. I’ve been there for 2 years now. I’m a hard worker and I like to take on a variety challenges. And outside of work, I like to engage in my personal activities such as reading newspaper, listening to music, cooking…

2. My short term is to grow as a marketing analyst. I want to find a good career where I can use my knowledge, experience and strengths. I want to partake in the growth and success of company I work for.

3. My long term goal is to become Marketing director or higher. This might be a little ambitious, but I think I’m going to work hard, learn everything I can and contributing to a company where I’ll become a valuable asset. I know that it’s not a eassy job but I think I can do by myself.

Describe your idea of a perfect holiday and why this would be a perfect holiday for you ?

Bạn nên dùng thì tương lai .

I need to buy some more sugar and milk for lunch.