A scientist formed Chemical X in a laboratory. The material was then analyzed by other
scientists.
Molecular Structure
of Chemical X
Analysis showed that the chemical was composed of long chains of repeated copies of
73. CH, molecules.
A researcher noticed that a similar CH2 molecular structure was also located in
the plasma membrane of an animal cell. This CH2 molecular structure contained a negatively
charged phosphate group. Which statement best describes the primary function of the CH2
and phosphate molecular structure located in the plasma membrane?
It catalyzes specific chemical reactions in the cytoplasm of a cell.
It allows a cell to regulate the movement of materials into and out of a cell.
It contains the genetic information needed for protein production.
Et stores the energy that a cell needs to perform various life processes.
ch words best complete the lettered blanks in the two sentences below?
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A scientist formed Chemical X in a laboratory. The material was then analyzed by other
scientists.<...
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