#Question id: 3787
#Section 3: Genetics, Cellular and Molecular Biology
A biochemist isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. When she adds some DNA to the mixture, replication occurs, but each DNA molecule consists of a normal strand paired with numerous segments of DNA a few hundred nucleotides long. What has she probably left out of the mixture?
#Question id: 3788
#Section 3: Genetics, Cellular and Molecular Biology
The spontaneous loss of amino groups from adenine in DNA results in hypoxanthine, an uncommon base, opposite thymine. What combination of proteins could repair such damage?
#Question id: 3790
#Section 3: Genetics, Cellular and Molecular Biology
Semiconservative replication of DNA means that:
#Question id: 3791
#Section 3: Genetics, Cellular and Molecular Biology
In vitro systems used to study replication must include all of the following except:
#Question id: 3792
#Section 3: Genetics, Cellular and Molecular Biology
Strain introduced by unwinding DNA at the replication forks is relieved by
#Question id: 3793
#Section 3: Genetics, Cellular and Molecular Biology
A replicating prokaryotic chromosome has _________ replication forks, and a replicating eukaryotic chromosome has ___________.