Organelle QuestBIOS 30341 · Cell Biology
10 min10 questions

Map the cell. Follow the cargo. Explain the function.

Think like the cell.

Explore an animal cell, then test how organelle structure supports trafficking, metabolism, genome control, and recycling.

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Schematic animal cellA teaching diagram showing the nucleus, nucleolus, mitochondria, rough and smooth endoplasmic reticulum, Golgi apparatus, lysosome, peroxisome, centrosome, and plasma membrane.
NucleusSchematic, not to scale
SELECTED ORGANELLE

Nucleus

01

Structure

A double-membrane nuclear envelope encloses chromatin and communicates with the cytosol through nuclear pore complexes.

02

Core function

Stores most cellular DNA and is the principal site of DNA replication and RNA synthesis.

03

Cellular connection

The outer nuclear membrane is continuous with the endoplasmic reticulum.

LEARNING TARGETS

What success looks like

01

Locate

Recognize the characteristic organization of major animal-cell compartments.

02

Explain

Connect membrane architecture and molecular composition to organelle function.

03

Trace

Follow proteins and membrane through the secretory and endocytic systems.

04

Predict

Infer cellular consequences when an organelle or trafficking system is disrupted.