Key Components of a Eukaryotic Cell

Key Components of a Eukaryotic Cell

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Created by

Dan Vaughan

Biology

Vocational training

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1.

FLASHCARD QUESTION

Front

Cell (Plasma) Membrane

Back

A thin, flexible barrier around the cell. Function: Regulates what enters and leaves the cell. Maintains the cell’s internal environment.

2.

FLASHCARD QUESTION

Front

Cytoplasm

Back

A jelly-like fluid inside the cell that contains salts, nutrients, and organelles. Function: Serves as the site for many metabolic reactions and helps move materials around the cell.

3.

FLASHCARD QUESTION

Front

Nucleus

Back

A membrane-bound organelle that houses the cell’s genetic material (DNA). Function: Controls the cell’s activities by regulating gene expression and cell division.

4.

FLASHCARD QUESTION

Front

Mitochondria

Back

Often referred to as the “powerhouses” of the cell. Function: Convert nutrients into ATP (usable energy) through cellular respiration.

5.

FLASHCARD QUESTION

Front

Ribosomes

Back

Tiny complexes made of RNA and proteins. Function: Carry out protein synthesis (they build proteins from amino acids based on the RNA instructions).

6.

FLASHCARD QUESTION

Front

Endoplasmic Reticulum (ER)

Back

A network of membranes. Rough ER (with ribosomes attached) helps in protein processing and folding. Smooth ER (no ribosomes on its surface) synthesizes lipids and detoxifies certain chemicals.

7.

FLASHCARD QUESTION

Front

Golgi Apparatus

Back

A stack of flattened membranes (like pancakes). Function: Modifies, sorts, and packages proteins and lipids for delivery to other parts of the cell or for secretion.

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