Pennate Diatoms

question 5

Multiple Choice

Pennate diatoms:

• A)lack frustrules.
• B)have non-overlapping frustules.
• C)have cell walls of peptidoglycan.
• D)are radially symmetric.
• E)are bilaterally symmetric.

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Definitions:

Transducing Chemicals

Substances that convert external signals into internal messages within the body, often involved in sensory processes.

Transducing Physical Signals

The process of converting physical signals, such as light or sound waves, into electrical or neural signals that can be interpreted by the brain.

Taste

One of the five traditional senses; it's the sensation produced when a substance in the mouth reacts chemically with taste receptor cells located on taste buds.

Smell

The sensory perception of odorants by the olfactory system, enabling the detection and identification of chemicals in the environment.