The anti-UV mutation of microorganisms must be induced by ultraviolet rays
举一反三
- The anti-UV mutation of microorganisms must be induced by ultraviolet rays A: 正确 B: 错误
- The<br/>anti-UV mutation of microorganisms must be induced by ultraviolet<br/>rays.(<br/>)
- Ultraviolet rays from the Sun can cause which of the following?
- The invisible rays of the()beyond the violet end are called the ultraviolet rays. A: speculation B: spectrum C: sleet D: range
- In the secondary structure of roots, xylem rays and phloem rays belong to ( ). A: Secondary rays B: Vascular rays C: Pith rays