Few of the properties in pyrimidine synthesis is that ( )
A: the base is synthesized based on 5-phosphate ribose
B: One carbon unit is provided by FH4
C: Whole aspartic acid molecule incorporates in the synthesis
D: The first synthesized intermediate is carbamoyl phosphate
E: Glutamate is the nitrogen donor
A: the base is synthesized based on 5-phosphate ribose
B: One carbon unit is provided by FH4
C: Whole aspartic acid molecule incorporates in the synthesis
D: The first synthesized intermediate is carbamoyl phosphate
E: Glutamate is the nitrogen donor
举一反三
- Which amino acid is involved in both purine and pyrimidine synthesis： A: Asp B: Gln C: Gly D: Asn
- The main cause of inadequate ammonia clearance at severe hepatic dysfunction is ( ) A: Impairment of glutamine synthesis B: Impairment of urea synthesis C: Impairment of acetylcholine synthesis D: Impairment of glutamic acid synthesis E: Impairment of γ-aminobutyric acid synthesis
- A newly synthesized RNA molecule is called a _______________.
- 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
- The composition of<br/>backbone of polynucleotides includes () A: base and pentose<br/>sugar B: base and<br/>phosphate C: base and base D: pentose sugar and<br/>phosphate E: pentose sugar and<br/>pentose sugar