Which of the Following Does NOT Contribute to Defence of the Respiratory

question 151

Multiple Choice

Which of the following does NOT contribute to defence of the respiratory system?

• A) coughs and sneezes
• B) cilia-propelled mucus escalator
• C) alveolar macrophages
• D) normal microbial population of the lungs

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Definitions:

Calvin Cycle

A series of biochemical reactions taking place in the chloroplasts of photosynthetic organisms, part of the process of converting carbon dioxide and water into glucose, using ATP and NADPH produced in the light reactions of photosynthesis.

Carbon Dioxide Fixation

The process by which inorganic carbon dioxide is converted into organic compounds by living organisms, principally during photosynthesis.

Calvin Cycle

A set of chemical reactions that take place in the chloroplasts of photosynthetic organisms to synthesize glucose from carbon dioxide and water, using ATP and NADPH produced in the light reactions.

Rubisco

An enzyme involved in the first major step of carbon fixation, a process by which atmospheric carbon dioxide is converted by plants to energy-rich molecules.