Which of the following was determined by
Rosalind Franklin’s research?
a. DNA is a double helix
b. DNA has a phosphate backbone on the
outside
c. DNA bases are arranged on the inside
d. DNA’s diameter
e. all of these were determined by Rosalind
Franklin’s research
E
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Industrial melanism is a term
A. describing the color change induced by living in industrialized areas. B. explaining that the darker moths have higher mutation rates because of industrialization. C. describing the evolutionary process in which initially light-colored organisms become dark as a result of natural selection. D. explaining that the darker moths having higher reproductive success because of their pigmentation. E. describing the widespread implementation of pollution controls.
The cells of which muscle type are connected by gap junctions?
a. skeletal muscle only b. cardiac muscle only c. smooth muscle only d. both cardiac and skeletal muscle e. both cardiac and smooth muscle
When X rays penetrate cells, electrons are ejected from atoms of molecules. Stable molecules can be transformed into which two types of hazardous materials?
What will be an ideal response?
What are the two types of ribonucleases?
What will be an ideal response?