The composition of
backbone of polynucleotides includes ()
A: base and pentose
sugar
B: base and
phosphate
C: base and base
D: pentose sugar and
phosphate
E: pentose sugar and
pentose sugar
backbone of polynucleotides includes ()
A: base and pentose
sugar
B: base and
phosphate
C: base and base
D: pentose sugar and
phosphate
E: pentose sugar and
pentose sugar
举一反三
- The<br/>backbone of a DNA molecule is () A: made<br/>up of sugars B: made<br/>up of nitrogenous bases C: made<br/>up of phosphate D: made<br/>up of alternating phosphate and sugar groups E: made<br/>up of alternating sugars and nitrogenous base
- The information encoded in DNA resides in() A: phosphates in<br/>the backbone B: sugars in the<br/>backbone C: the DNA base<br/>sequence D: the sugars and<br/>phosphate groups together
- The backbone of a DNA molecule is: ( ) A: made up of sugars B: made up of nitrogenous bases C: made up of phosphate groups D: made up of alternating phosphate and sugar groups E: made up of alternating sugars and nitrogenous base
- 磷酸戊糖途径 (pentose phosphate pathway)
- The backbone of a DNA molecule is<br/>_________.() A: made up of sugars alone B: made up of nitrogenous bases alone C: made up of phosphate groups alone D: made up of alternating phosphate and<br/>sugar groups