Which Description Best Supports the Endosymbiotic Theory of Organelles

question 22

Multiple Choice

Which description best supports the endosymbiotic theory of organelles?

• A) Eukaryotic cells acquired mitochondria and plastids by engulfing free-living bacteria and developed a symbiotic relationship with them. Mitochondria were derived from anaerobic bacterium while choloroplasts were derived from aerobic bacterium.
• B) Eukaryotic cells acquired mitochondria and plastids by engulfing free-living bacteria and developed a symbiotic relationship with them. Mitochondria were derived from aerobic bacterium while choloroplasts were derived from cyanobacterium.
• C) Eukaryotic cells acquired nuclei and flagella by engulfing free-living bacteria and developed a symbiotic relationship with them. Nuclei were derived from aerobic bacterium while flagella were derived from motile bacteria.
• D) Eukaryotic cells acquired mitochondria and flagella by engulfing free-living bacteria and developed a symbiotic relationship with them. Mitochondria were derived from aerobic bacterium while flagella were derived from motile bacteria.

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Definitions:

Managerial Attention

The focus and prioritization that managers give to specific issues, projects, or tasks.

Management By Exception

A leadership strategy where managers intervene only when performance deviates significantly from standards, allowing for more autonomous operation otherwise.

Performance Objectives

Performance objectives are specific goals identified to measure the effectiveness and efficiency of an employee's job performance.

Output Standards

The pre-determined levels of performance or production that a process or system is expected to achieve.