Why Might the Process of Chemotaxis in the Archaeon Halobacterium

question 7

Multiple Choice

Why might the process of chemotaxis in the archaeon Halobacterium be similar to chemotaxis in Bacteria?

• A)Similar proteins in the chemotaxis signaling pathway are found in both Halobacterium and Bacteria.
• B)The flagellin protein is almost identical in sequence for both Halobacterium and Bacteria.
• C)Genes that encode proteins for flagellum assembly are found in both Halobacterium and Bacteria.
• D)Both Halobacterium and Bacteria use ATP to turn the flagellum.
• E)Fagellum assembly is identical in both Halobacterium and Bacteria.

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Definitions:

Schachter and Singer

Psychologists who developed the Two-Factor Theory of Emotion, which emphasizes the role of physiological arousal and cognitive labels in emotion.

Arousal and Context

A theory that suggests the interpretation of emotions or responses is influenced by the physiological state of arousal and the context in which it occurs.

Biologically Determined

Characteristics or traits that are influenced by genetic factors rather than environmental conditions.

Facial Expressions

The movements of the facial muscles that convey emotions and communicate nonverbally with others.