What is Chargaff’s ratio? ()
A: In any organisms, amount of Adenine is the same as Thymine, amount of Cytosine is the same as Guanine.
B: In any organisms, amount of Adenine is the same as Cytosine, amount of Thymine is the same as Guanine.
C: In any organisms, amount of Adenine is the same as Guanine, amount of Thymine is the same as Cytosine.
A: In any organisms, amount of Adenine is the same as Thymine, amount of Cytosine is the same as Guanine.
B: In any organisms, amount of Adenine is the same as Cytosine, amount of Thymine is the same as Guanine.
C: In any organisms, amount of Adenine is the same as Guanine, amount of Thymine is the same as Cytosine.
举一反三
- 哪些核苷酸碱基存在于RNA中？ A: adenine, guanine, cytosine, thymine B: adenine, guanine, thymine C: adenine, guanine, cytosine, uracil D: sugar, phosphate and base
- 5-bromouracil is an analog of which base? A: thymine B: uracil C: cytosine D: adenine
- A 15-year mortgage will have larger monthly payments than a 30-year mortgage of the same amount and same interest rate.（ ）
- Ultimately, their ideas ______ the same thing. A: amount to B: hold fast to C: bump into D: /
- The bookseller paid ________ money for seeing the doctor in the end. A: more B: less C: the same amount of D: no