You Are Studying Mutant Algal Cells That Lack Carotenoids

question 91

Multiple Choice

You are studying mutant algal cells that lack carotenoids. You raise them in an aerobic environment. They do not survive. Why?

• A)They cannot absorb any light.
• B)They reflect all colors of light.
• C)They dissipate aerobic environments.
• D)They transfer excess energy to O₂ making ultrareactive singlet oxygen that can destroy biological molecules and cause cell death.
• E)The lack of carotenoids causes the chloroplast membranes to disintegrate.

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Definitions:

Permissive Parents

Parenting style characterized by low demands with high responsiveness, often leading to children with less self-discipline.

Power-assertive Techniques

Disciplinary methods used by caregivers that rely on the use of authority, demands, and possibly physical coercion to modify behavior.

Aggressive Behavior

Actions that are intended to cause harm or pain to another person, often reflecting a response to perceived threats.

Neglectful

Referring to a condition or behavior characterized by a lack of attention, care, or maintenance.