Quiz 4 Flashcards by Kshef Kamran

Q

Parenchyma Cells

A

Typically the most abundant cell category within plant tissue
Living cells at maturity
Wide range of functions
- Biomolecule and xenobiotic
  storage, carbon fixation etc.,
Make up mesophyll in leaves
Cortex in roots
Thin cell walls
Structural support cells

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Q

Sclerenchyma Cells

A

Primary providers of structural support for a plant
Typically dead at maturity
Secondary cell wall formation embedded within lignin in most cases
Xylem
Phloem
Mechanical stiffness and strength

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Q

Collenchyma Cells

A

Functions in structural support
Living cells at maturity
Found in bundles near the epidermis of a plant stem
Thin cell walls with thickened regions
Elongated for structural support in areas of new growth

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Q

Hand sectioning?

A

Easty to quickly prepare and stain tissue
Difficult to store for a long term

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Q

Toluidine blue stain (TBO)

A

Lignified structures are blue
Non-lignified structures are red-purple

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Q

Phloroglucinol - HCl

A

Stains lignified structures red

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Q

Macerated Tissues

A

View individual cells
Allows observation of cell morphology
Takes away the context of how the cells interact with other cells in the tissue

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