During Asexual Reproduction in Diatoms

question 6

Multiple Choice

During asexual reproduction in diatoms

• A) Generation time decreases steadily
• B) Part of the silica shell is cast off with each cell division
• C) Cell size decreases steadily to a threshold
• D) Uniquely among phytoplankton they have resting stages on the bottom

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Definitions:

Aromatic

Pertains to organic compounds that contain one or more planar rings of atoms with a degree of stability and special electronic structures.

Antiaromatic

Compounds that have conjugated pi electrons in a cyclic ring, destabilized by not following Huckel's rule for aromatic stability.

Nonaromatic

Refers to compounds that do not fulfill the requirements for aromaticity, lacking a cyclic, planar structure with delocalized pi electrons.

Indole

A heterocyclic compound containing a benzene ring fused to a pyrrole ring, notable for its presence in many biologically active molecules.