Please Use the Following Information to Answer the Question(s) Below

question 2

Multiple Choice

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?

• A) red and yellow
• B) blue, green, and red
• C) green and yellow
• D) red and green
• E) blue and red

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Definitions:

Endodermis

The innermost layer of cells in the cortex of plants, serving as a selective barrier that regulates the passage of substances from the soil into the vascular cylinder.

Epidermis

The outermost layer of cells in plants and animals, providing protection against environmental factors.

Stele

The central part of the root or stem containing the tissues derived from the procambium, including xylem, phloem, and sometimes pith.

Pericycle

A layer of cells in plant roots located just inside the endodermis, capable of giving rise to lateral roots and contributing to the root's growth.