| 1. | During the climacteric may be a transient burst of rna synthesis .
在转换时期的RNA合成可能有短暂的骤增。 |
| 2. | Messenger rna is templated along only one of the two strands of a dna molecule .
DNA分子两条中只有一条作为信使RNA的模板。 |
| 3. | A third class of rna is also required for protein synthesis, the ribosomal rna .
蛋白质合成还需要第三类RNA，即核糖体RNA。 |
| 4. | 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。 |
| 5. | Specific mrna sequences can be enriched for by preparing the rna from subcellular fractions .
从亚细胞部分制备RNA，可使专一的mRNA序列的丰度提高。 |
| 6. | Erythrocytes recently released by the bone marrow into the bloodstream often contain ribosomal rna .
刚从骨髓释放入血流不久的红细胞含有核蛋白体RNA。 |
| 7. | Superpure dna can be prepared using rna transcribed from dna in the course of gene expression .
在基因表达期间，使用从DNA转录而来的RNA可制备出超纯度的DNA |
| 8. | The monopartite genome of tobacco mosaic virus is a plus-strand rna molecule of 6395 nucleotides .
烟草花叶病毒的单份基因组是一个6395个核甙的（）链RNA分子。 |
| 9. | Molecular genetics came to depend upon studies of the structure and function of dna, rna and protein .
分子遗传学的形成仰赖于DNA，RNA和蛋白质的结构与功能的研究成果。 |
| 10. | 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。 |
