[单选题]why mammalian genomes are 100 times the size of bacterial genomes yet are replicated in just a few minutes. Which of the following best explains this fact?fDg答案窝(daanwo.com)-大学生作业答案及考资分享平台
A、Eukaryotic DNA polymerases are extraordinarily fast compared with prokaryotic polymerases.fDg答案窝(daanwo.com)-大学生作业答案及考资分享平台
B、The higher temperature of mammalian cells allows for an exponentially higher replication rate.fDg答案窝(daanwo.com)-大学生作业答案及考资分享平台
C、The presence of histones in mammalian chromatin speeds up the rate of DNA replication.fDg答案窝(daanwo.com)-大学生作业答案及考资分享平台
D、Histones and microRNAs complexed with bacterial DNA speed up the rate of DNA replication.fDg答案窝(daanwo.com)-大学生作业答案及考资分享平台
E、Hundreds of replication forks work simultaneously on each piece of mammalian genomic DNA.fDg答案窝(daanwo.com)-大学生作业答案及考资分享平台