Your Instructor Announces a "Pop" Test

question 374

Multiple Choice

Your instructor announces a "pop" test.You have not read the chapter yet.Your heart and breathing rate increases,and your mouth becomes dry.Which nervous system was responsible for this reaction?

• A) sympathetic
• B) parasympathetic
• C) somatic
• D) central

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Definitions:

Flagellated Cells

Cells possessing one or more flagella, which are long, whip-like structures that can propel the cells through liquid environments.

Red Algae

A large group of algae known for their reddish color, which is caused by phycoerythrin; they are mostly marine and play a role in coral reef ecosystems.

Serial Endosymbiosis Hypothesis

A theory suggesting that the organelles of eukaryotic cells, such as mitochondria and chloroplasts, originated as symbiotic relationships between separate prokaryotic organisms.

Purple Bacteria

A group of photosynthetic bacteria that utilize bacteriochlorophyll for energy, contributing to the sulfur cycle in some aquatic environments.