Biology 21 Cell Structure Lab.

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Presentation transcript:

Biology 21 Cell Structure Lab

Onion Skin Cells Observe: cell walls, nucleus, leucoplasts May also see: plasmodesma(ta), middle lamella, central vacuole

Cheek Cells (A type of epithelial cell) Observe: cell membrane, nucleus, cytoplasmic inclusions May also see: nucleolus

Elodea Cells Observe: cell wall, chloroplasts May also see: nucleus

Blood Smear Frog blood Determine the differences. Human blood

Leaf Tissue (cross section) Observe: cell wall, chloroplasts Can a cell membrane be seen?

Giant Multipolar Neurons Observe: Long extensions (processes) Which cellular component stabilizes the extensions?

Sea Star Eggs (Unfertilized) Observe: Plasma membrane Nucleolus Nucleus

Frog Sperm Observe: Head Tail (Flagellum) Human Sperm

Adipose Tissue Observe: clear area where fat was stored, nucleus, cytoplasm

Epithelium (Columnar cells from Intestine) Electron Micrograph Observe: nucleus plasma membrane evidence of microvilli

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