carbon atoms in a straight chain are drawn in a zigzag format
A: 对
B: 错
A: 对
B: 错
举一反三
- carbon atoms in a straight chain are drawn in a zigzag format
- Scientists figured out that human bodies are basically made of（） A: hydrogen, carbon, nitrogen, and oxygen atoms B: water vapor, ammonia, carbon dioxide, methane and hydrogen C: biomolecules and water D: evolutionary molecules
- Nitrogen or carbon atoms are contributed to the structure of the purine ring by amino acids, except: A: Glycine B: Glutamine C: Aspartate D: Glutamate
- The structure of this 27-carbon compound suggests a complex biosynthetic pathway, but all of its carbon atoms are provided by a single precursor—_______. A: formic acid B: acetate C: propionate D: pyruvate
- If the carbonyl group is at an end of the carbon chain (that is, in an aldehyde group), the monosaccharide is an aldose; if the carbonyl group is at any other position (in a ketone group), the monosaccharide is a _________.