Skip to main content

KiwiBee printable

Identify DNA structure

Free printable Biology science worksheet for "Identify DNA structure" — practice genetics. No-prep, print or assign online.

High school students examine the double-helix structure of DNA, learning how nucleotides are arranged, how the two strands pair through complementary base pairing, and why this structure is perfectly suited for storing and copying genetic information. This Life Science worksheet on Genetics gives learners the molecular-level vocabulary and conceptual grounding needed for studying replication, transcription, and mutation. A clear understanding of DNA structure underpins all of modern genetics, biotechnology, and forensic science.

Science
Life Science
High School
Worksheets
Ages 14–18
hard

Learning objectives

  • Identify the components of a DNA molecule including nucleotides, bases, sugar, and phosphate
  • Explain complementary base pairing and describe how the two strands of DNA are held together
  • Connect the double-helix structure to DNA's function in storing and transmitting genetic information

Answer Key

Answer key for Identify DNA structure — free printable Science worksheet

How to use this worksheet

  1. Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
  2. Print at home or in class for High School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Likes & comments

See what other teachers think and share a helpful note.

Loading likes and comments…

Create more worksheets in our Worksheet Studio

Generate fresh worksheets for any grade, topic, and language — free.

Open the Worksheet Studio

Related worksheets