Molecular Basis of Inheritance
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Questions and Answers

Thomas Hunt Morgan proved inheritance is carried on ______ through:

chromosomes

Frederick Miescher discovered the chemical makeup of DNA by isolating the ______ in 1869:

nuclein

Walter Flemming stained nuclei with ______ dye and found a basophilic substance which he named “chromatin”:

aniline

Eduoard Zacharias found that removing ______ from chromosomes caused it to stop taking up stains:

<p>DNA</p> Signup and view all the answers

The substance discovered by Miescher, which is a mixture of proteins and other molecules, is now called ______:

<p>chromatin</p> Signup and view all the answers

Frederick Griffith revealed the ______________ factor in 1928.

<p>transforming</p> Signup and view all the answers

The outer coat of bacteria prevents the ______________ system from working against the bacteria.

<p>immune</p> Signup and view all the answers

Avery, McCarthy, and Macleod concluded that ______________ is the molecule of inheritance.

<p>DNA</p> Signup and view all the answers

Hershey and Chase worked with ______________ Bacteriophage to determine the molecule of inheritance.

<p>T2</p> Signup and view all the answers

Radioactive ______________ was used to label the viruses in Hershey and Chase's experiment.

<p>sulfur</p> Signup and view all the answers

Erwin Chargaff noticed that the bases Adenine and Thymine, and Cytosine and Guanine all had the same ______________.

<p>proportion</p> Signup and view all the answers

Adenosine and Guanine are classified as ______________.

<p>purines</p> Signup and view all the answers

Rosalind Franklin did X-ray crystallography on a ______________ DNA molecule.

<p>crystalized</p> Signup and view all the answers

Watson and Crick made a model of the DNA ______________.

<p>structure</p> Signup and view all the answers

Griffith injected heat-killed smooth cells and living rough cells into mice, and they all ______________.

<p>died</p> Signup and view all the answers

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