Which Group Is Incorrectly Paired with Its Description

question 70

Multiple Choice

Which group is incorrectly paired with its description?

• A) rhizarians-morphologically diverse group defined by DNA similarities
• B) diatoms-important producers in aquatic communities
• C) red algae-acquired plastids by secondary endosymbiosis
• D) apicomplexans-parasites with intricate life cycles
• E) diplomonads-protists with modified mitochondria

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Definitions:

Refractory Period

A period immediately following an action potential during which a nerve or muscle is incapable of generating another action potential.

Neurons

Electrically excitable cells in the nervous system that process and transmit information through electrical and chemical signals.

Sodium Gates

Protein structures in cell membranes that open or close in response to signals, allowing sodium ions to enter or exit a cell, critical in generating electrical signals.

Psychological Dependence

A condition where a person feels an emotional or mental need for a particular substance or behavior.