A Spaceship Is Designed to Support Animal Life for a Multiyear

question 49

Multiple Choice

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.
-Since the spaceship will be too far from the sun for photosynthesis, an artificial light source will be needed. What wavelengths of light should be used to maximize plant growth with a minimum of energy expenditure?

• A) full-spectrum white light
• B) green light
• C) a mixture of blue and red light
• D) yellow light
• E) UV light

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Definitions:

Recessive

A genetic term referring to an allele that produces its characteristic phenotype only when its paired allele is identical.

Dominant

Influential, controlling, or prevailing over others, often used in both social and biological contexts to describe an entity with superior power or genes.

Genetic Counseling

The discipline that focuses on helping people deal with issues relating to inherited disorders.

Psychological Counseling

is the provision of professional assistance and guidance in resolving personal or psychological problems, facilitated by a qualified therapist or counselor.