tRNA molecules are synthesized without the need for intermediary mRNA.
举一反三
- Carotenoids belong to a parent class of molecules called flavonoids synthesized via the phenylpropanoid pathway.
- Carotenoids belong to a parent class of molecules called flavonoids synthesized via the phenylpropanoid pathway. A: 正确 B: 错误
- 细胞质中主要有三种RNA:tRNA、mRNA和rRNA,其相对含量是 A: rRNA﹥mRNA﹥tRNA B: tRNA﹥rRNA﹥mRNA C: rRNA﹥tRNA﹥mRNA D: tRNA﹥mRNA﹥rRNA
- 细胞质中主要有三种RNA,tRNA,mRNA,rRNA其相对含量是 A: tRNA>mRNA>rRNA B: mRNA>rRNA>tRNA C: rRNA>tRNA>mRNA
- 细胞质中三种主要RNA的相对含量是 A: tRNA>;mRNA>;rRNA B: mRNA>;tRNA>;rRNA C: rRNA>;tRNA>;mRNA D: rRNA>;mRNA>;tRNA