| 1. | Ribose and deoxyribose are constituents of the nucleic acids rna and dna .
核糖与脱氧核糖分别是核糖核酸与脱氧核酸（DNA）的结构成分。 |
| 2. | Two major kinds of nucleic acids are found in living things: deoxyribonucleic acid or dna and ribonucleic acid or rna .
生物中存在着两大类核酸：脱氧核糖酸和核糖核酸。 |
| 3. | Two major kinds of nucleic acids are found in living things: deoxyribonucleic acid or dna and ribonucleic acid or rna .
生物体中存在着两大类核酸：脱氧核糖核酸和核糖核酸。 |
| 4. | But when the temporal sequencing wasn ' t activated ,
但如果核糖核酸序列无法启动 |
| 5. | Determination of activities of anti - hepatitis b irna
抗乙肝免疫核糖核酸活性的测定 |
| 6. | " for their discovery of catalytic properties of rna
核糖核酸rna催化性质的发现 |
| 7. | Preparation of specific anti - tumor immune rna
特异性抗肿瘤免疫核糖核酸的提取 |
| 8. | Uracil - - a pyrimidine found in rna that base - pares with adenine
尿嘧啶- -核糖核酸中的一种嘧啶，与腺嘌呤形成碱基对。 |
| 9. | Extraction of rna from beer yeast by ultrasonic method combined with salination
超声波与食盐法结合从啤酒酵母中提取核糖核酸 |
| 10. | Anti - tumor irna
抗肿瘤免疫核糖核酸 |
