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The organelle where ribosomes are made, synthesized and partially assembled, located in the nucleus


the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins

Smooth Endoplasmic reticulum

An endomembrane system where lipids are synthesized, calcium levels are regulated, and toxic substances are broken down.


the part of the cytoplasm that includes molecules and small particles, such as ribosomes, but not membrane-bound organelles


an organelle containing enzymes responsible for producing energy


a small round cell structure that contains chemicals that break down large food particles into smaller ones


two tiny structures located in the cytoplasm near the nuclear envelope

Centrosome matrix

Granular looking matrix that contains paire centrioles; generates microtubules, and organizes the mitotic spindle in cell division.

Cytoskeletal elements: Microtubule, Intermediate filaments


A microbody containing enzymes that transfer hydrogen from various substrates to oxygen, producing and then degrading hydrogen peroxide. (Detoxification)

Secretion being released form cell by exocytosis

Golgi apparatus

stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum


site of protein synthesis

Rough endoplasmic reticulum

Chemically modifies proteins made by the ribosomes attached to its surface, which are then use in the cell membrane or for transport outside the cell

Plasma membrane

thin outer boundary of a cell that regulates the traffic of chemicals between the cell and its surroundings


a part of the cell containing DNA and RNA and responsible for growth and reproduction

Nuclear envelope

A double membrane that surrounds the nucleus in the cell


period of the cell cycle between cell divisions


the longest phase of mitosis, during which the chromosomes become visible and the centrioles separate and take up positions on the opposite sides of the nucleus


The phase of mitosis during which the chromosomes line up across the center of the cell


The Phase of meiosis or mitosis when chromosomes move toward opposite ends of the nuclear spindle

Telophase and cytokinessis

the final stage of meiosis when the chromosomes move toward opposite ends of the nuclear spindle

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