Exam 8: The Structure - Replication - and Chromosomal Organization of DNA

Maurice Wilkins and Rosalind Franklin obtained X-ray diffraction photographs that indicted that DNA has a ____________________ shape with a constant diameter.

____________________ is spread by droplets produced when an infected person sneezes or coughs.

SARS symptoms include ____.

DNA polymerase catalyzes the synthesis of ____.

Cytosine,uracil,and thymine are single-ringed nitrogen-containing organic bases called ____________________.

Summarize the process of DNA replication and outline the difference between how each strand replicates.

Purines and pyrimidines are two classes of organic bases found in ____.

In RNA,the base ____ takes the place of the base thymine.

Friedrich Miescher,after he began to study the chemical composition of the nucleus,was one of the first to ____.

In the early twentieth century,most scientists believed that only nucleic acids were complex enough to carry genetic information.

Telomeres are short DNA sequences ____.

Summarize Fredrick Griffith's,Oswald Avery's,and others' experimental search for a treatment for pneumonia.

Describe one experimental process used to manufacture a DNA vaccine for the SARS virus.

In the early 1950s,James Watson and Francis Crick ____.

The process of transferring genetic information between bacterial cells is accomplished with a transformation factor called DNA.

Explain how a telomerase inhibitor might be an effective cancer treatment.

The search for a(n)____ treatment led to the discovery that DNA carries genetic information.

The sugar in RNA nucleotides is ____.

The chemical formula for glucose,C6H12O6,represents ____ atom(s)and ____ molecule(s).

The interphase nucleus has an internal structure in which each chromosome occupies a distinct region called a chromosome territory.