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Please use the following information to answer the question(s) below.
A spaceship is designed to support animal life for a multiyear voyage to the outer planets of the solar system. Plants will be grown to provide oxygen and to recycle carbon dioxide. Because the spaceship will be too far from the sun for photosynthesis, an artificial light source will be needed.
-Halobacterium has a photosynthetic membrane that appears purple. Its photosynthetic action spectrum is the inverse of the action spectrum for green plants. (That is, the Halobacterium action spectrum has a peak where the green plant action spectrum has a trough.) What wavelengths of light do the Halobacterium photosynthetic pigments absorb?


Definitions:

Reflective Speech

A technique in which the therapist mirrors the client’s own feelings back to the client.

Geophysical Survey

The use of one or more geophysical techniques to explore Earth’s subsurface, including seismic, gravity, electrical, magnetic, radioactivity, and heat-flow measurements.

Mineral Deposit

A natural accumulation of minerals in quantities sufficient for economic extraction.

Younger Sediments

Sediment layers that have been deposited more recently over older layers in the geological strata.

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