chap. 16 bio Flash Cards

 
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The "beads on a string" seen in interphase chromatin are _____. nucleosomes 0 kap08e Tue, 27 Oct 2009 01:53:24 GMT view revision history
Put the following DNA-containing entities in order according to the amount of DNA found in their genomes. virus, bacteria, eukaryote 0 kap08e Tue, 27 Oct 2009 01:53:24 GMT view revision history
Telomeres _____. get shorter with continued cell division 0 kap08e Tue, 27 Oct 2009 01:53:24 GMT view revision history
Unlike prokaryotic DNA replication, replication of eukaryotic chromosomes _____. cannot be completed by DNA polymerase 0 kap08e Tue, 27 Oct 2009 01:53:24 GMT view revision history
Which set of enzymes is involved in nucleotide excision repair? nuclease, DNA polymerase, and ligase 0 kap08e Tue, 27 Oct 2009 01:51:12 GMT view revision history
Which description of DNA replication is correct? Helicases separate the two strands of the double helix, and DNA polymerases then construct two new strands using each of the original strands as templates. 0 kap08e Tue, 27 Oct 2009 01:51:12 GMT view revision history
The unwinding of DNA at the replication fork causes twisting and strain in the DNA ahead of the fork, which is relieved by an enzyme called _____. topoisomerase 0 kap08e Tue, 27 Oct 2009 01:51:12 GMT view revision history
The removal of the RNA primer and addition of DNA nucleotides to the 3' end of Okazaki fragments in its place is carried out by _____. DNA polymerase I 0 kap08e Tue, 27 Oct 2009 01:51:12 GMT view revision history
Which of the following components is (are) required for DNA replication? RNA primer 0 kap08e Tue, 27 Oct 2009 01:48:55 GMT view revision history
What enzyme joins Okazaki fragments? DNA ligase 0 kap08e Tue, 27 Oct 2009 01:48:55 GMT view revision history
One strand of a DNA molecule has the base sequence 5'-ATAGGT-3'. The complementary base sequence on the other strand of DNA will be 3'-_______-5'. TATCCA 0 kap08e Tue, 27 Oct 2009 01:48:55 GMT view revision history
The rate of elongation in prokaryotes is _____ the rate in eukaryotes much faster than 0 kap08e Tue, 27 Oct 2009 01:48:55 GMT view revision history
The role of DNA polymerases in DNA replication is to _____. attach free nucleotides to the new strand 0 kap08e Tue, 27 Oct 2009 01:46:46 GMT view revision history
The DNA structures of prokaryotes and eukaryotes are different in several ways, but one way in which they are the same is that _____. both have a sugar-phosphate backbone 0 kap08e Tue, 27 Oct 2009 01:46:46 GMT view revision history
During the replication of DNA, _____. both strands of a molecule act as templates 0 kap08e Tue, 27 Oct 2009 01:46:46 GMT view revision history
Which of the following attributes of DNA is most crucial to its accurate duplication? its specific base pairing and hydrogen bonding 0 kap08e Tue, 27 Oct 2009 01:46:46 GMT view revision history
The information in DNA is contained in _____. the sequence of nucleotides along the length of the two strands of the DNA molecule 0 kap08e Tue, 27 Oct 2009 01:45:08 GMT view revision history
The two sugar-phosphate strands of a DNA molecule are joined to each other through _____. hydrogen bonds between nucleotide bases 0 kap08e Tue, 27 Oct 2009 01:45:08 GMT view revision history
In DNA, the two purines are _____, and the two pyrimidines are _____. adenine and guanine; cytosine and thymine 0 kap08e Tue, 27 Oct 2009 01:45:08 GMT view revision history
Monomers for the synthesis of DNA are called _____. nucleotides 0 kap08e Tue, 27 Oct 2009 01:45:08 GMT view revision history
Up until Hershey and Chase showed that DNA was the genetic molecule, what molecule was considered the best candidate for carrying genetic information and why? proteins because they were thought to be the only molecule with both the variety and specificity of function to account for the array of heritable traits observed 0 kap08e Tue, 27 Oct 2009 01:39:46 GMT view revision history
A scientist assembles a bacteriophage with the protein coat of phage T2 and the DNA of phage T4. If this composite phage were allowed to infect a bacterium, the phages produced in the host cell would have _____. the protein and DNA of T4 0 kap08e Tue, 27 Oct 2009 01:39:46 GMT view revision history
Avery and his colleagues' 1944 experiment showed that DNA _____. was the substance that transformed the bacteria in Griffith's experiment 0 kap08e Tue, 27 Oct 2009 01:39:46 GMT view revision history
During Griffith's experiments with Streptococcus pneumoniae in mice, material from _____ bacteria transformed _____ bacteria. heat-killed virulent; living nonvirulent 0 kap08e Tue, 27 Oct 2009 01:39:46 GMT view revision history
The spontaneous loss of amino groups from adenine results in hypoxanthine, an uncommon base, opposite thymine in DNA. What combination of molecules could repair such damage? nuclease, DNA polymerase, DNA ligase 0 kap08e Tue, 27 Oct 2009 01:04:45 GMT view revision history
A biochemist isolates and purifies molecules needed for DNA replication. When she adds some DNA, 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? DNA ligase 0 kap08e Tue, 27 Oct 2009 01:04:45 GMT view revision history
E. coli cells grown on 15N medium are transferred to 14N medium and allowed to grow for two more generations (two rounds of DNA replication). DNA extracted from these cells is centrifuged. What density distribution of DNA would you expect in this experiment? one low-density and one intermediate-density band 0 kap08e Tue, 27 Oct 2009 01:04:45 GMT view revision history
In his work with pneumonia-causing bacteria and mice, Griffith found that some substance from pathogenic cells was transferred to nonpathogenic cells, making them pathogenic. 0 kap08e Tue, 27 Oct 2009 01:04:45 GMT view revision history

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