BioSphere — Interactive Biology Learning

A thread-like structure of nucleic acids and histone proteins found in the nucleus, carrying linear genomic information.

PRIMARY FUNCTIONEnsures equal segregation of genomic DNA into daughter cells during mitosis and meiosis.

LOCATION IN CELLCell Nucleus

ESTIMATED STUDY TIME⏱️ 15 Mins

GENOMIC PACKAGING EXPLORER

Chromatin Hierarchy & Karyotype Anatomy

p-arm (Short Arm)TELOMERE (TTAGGG)

11p15.4 (HBB Gene)

11p13

CENTROMERE

11q13

11q23

TELOMERE (TTAGGG)q-arm (Long Arm)

SCALE: 2 nm diameter

1. DNA Double Helix

Double-stranded antiparallel DNA polymer.

STRUCTURAL ANATOMY

Key Molecular Components

Centromere

Constricted region holding sister chromatids together and assembling kinetochores.

Telomeres

Repetitive (TTAGGG) protective caps preventing chromosome degradation.

Histone Octamer

H2A, H2B, H3, H4 proteins wrapping 147 bp of DNA into nucleosomes.

INTERACTIVE MOLECULAR LAB & SANDBOX

DNA Base Pairing Sandbox

Given the 5' → 3' template DNA strand below, build the complementary 3' → 5' strand by selecting matching nucleotides (A-T, G-C).

Template Strand:

ATGCGATCGATC

Your Strand:

Select Nucleotide to Add:

MOLECULAR ASSESSMENT & CERTIFICATION

Chromosome 11 Evaluation Suite

REWARD+250 XP

Q1: What is the primary biological function of Chromosome 11?

Q2: Which cell location contains Chr 11?

LOADING 3D BIO-SYSTEMS...