Essay about Cellular Organelles

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Cellular Organelle

Describe Structure

Describe Function

Plant/Animal/
Both?

Cytoplasm

all organelles are suspended in cytoplasm. mostly water but other substances stored in cell until they are needed.

chemical reactions take place here.
can change from jellylike liquid allowing organelles to be moved around. both

Cell membrane

surrounded by doublelayered cell membrane. support the cell and to allow some substances to enter while keeping others out.
called “semipermeable membrane.”

both

Nucleus

roughly spherical structure with in cell.

contains genetic information that controls all cell activities.
This genetic information is stored on chromosomes. both

Mitochondria

large reddish oval structure.

make energy available to cell (called powerplants) active cells (like muscle cells) have more mitochondria than less active cells (like fatstorage cells).
mitochondria contains enzymes that help convert stored energy into usable form (cellular respiration)

both

Endoplasmic Reticulum

three dimensional network of branching tubes and pockets.
extends throughout the cytoplasm and is continuous from the nuclear membrane to the cell membrane.

fluid filled tubes transport materials such as protein, though the cell.

both

Golgi Bodies

golgi bodies collect and process materials to be removed from the cell.
also make and secrete mucus.

both

Vacuoles

single layer of membrane enclosing fluid in a

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