carbon atoms in a straight chain are drawn in a zigzag format

carbon atoms in a straight chain are drawn in a zigzag format A: 对 B: 错

Intheβconformation,thebackboneofthepolypeptidechainisextendedintoa__________ratherthanhelicalstructure,whichgivesrisetoapleatedappearanceoftheoverallsheet. A: Tshape B: Ushape C: zigzag D: Lshape

Which of the following words is coined through ‘Back-formation’ ?( ) A: xerox B: rugby C: typewrite D: zigzag

Which of the following words is coined through ‘Back-formation’<br/>?() A: xerox B: rugby C: typewrite D: zigzag

Chinese bridges can be divided into 3 categories: the ________bridge, the________ bridge, and the _________ bridge Zhaozhou Bridge is the world's oldest open-spandrel stone segmental arch bridge. A: stone arch, zigzag, pavilion B: wooden, stone, wind and rain C: stone arch, wooden, wind and rain D: wooden, zigzag, pavilion

The writing process _______. A: is a simple, one-step one B: involves a series of steps C: is a zigzag journey D: is often ignored by the learners

JPEG 2000的主要技术是___________。 A: DCT B: DWT C: EBCOT D: ROI E: MPEG F: Zigzag

What is the biggest characteristic of northern Sihe Courtyard? A: Building connection B: The wall is not enclosed. C: Zigzag corridor D: Large courtyard in the middle

数控加工生产中，平行铣削粗加工有Zigzag，表示（）进刀加工。 A: 环行； B: 切向； C: 双向； D: 一个方向；