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Grade 11 DNA, RNA & Protein Synthesis Worksheet with Answers

Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Biology

Unit 1: Molecular BiologyDNA, RNA & Protein SynthesisNGSS HS-LS1-1

DNA structure, base pairing, transcription and translation — including writing complementary strands. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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DNA, RNA & Protein Synthesis

Grade 11 · Biology

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Learning goal: DNA, RNA & Protein Synthesis · NGSS HS-LS1-1

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

Example

Which base pairs with adenine (A) in DNA?

Answer: thymine (T)

RememberDNA base pairs

ATCGTAGCATA pairs with TC pairs with GDNA → RNA → protein(in RNA, U replaces T)
Part A

Match each clue to the right word. Write the letter in the box.

  1. 1How many bases make one codon?
  2. 2Transcribe this DNA template strand into mRNA: ACAGTAGTG
  3. 3Write the complementary DNA strand for: TTTAAAACA
  4. 4Write the complementary DNA strand for: CGTTCACCG
  5. 5Transcribe this DNA template strand into mRNA: CCTCTGCAA
  6. 6Transcribe this DNA template strand into mRNA: CCGCGTTCG
  • AUGUCAUCAC
  • BThree
  • CAAATTTTGT
  • DGGCGCAAGC
  • EGGAGACGUU
  • FGCAAGTGGC
Part B

Answer each question. Use full sentences where you can.

  1. 7

    Write the complementary DNA strand for: CGTGTAGCA

  2. 8

    What is translation?

  3. 9

    Write the complementary DNA strand for: GAAGCCCGT

  4. 10

    Which base pairs with cytosine (C)?

  5. 11

    Write the complementary DNA strand for: TTCTAATGG

  6. 12

    Write the complementary DNA strand for: ATCCAAATC

★ Challenge corner for fast finishers

On the Moon (no air), a hammer and a feather are dropped together. Which lands first?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/biology/11/dna_protein

Answer key (click to show)
  1. 1.B — three
  2. 2.A — UGUCAUCAC
  3. 3.C — AAATTTTGT
  4. 4.F — GCAAGTGGC
  5. 5.E — GGAGACGUU
  6. 6.D — GGCGCAAGC
  7. 7.GCACATCGT
  8. 8.reading mRNA to build a protein at the ribosome
  9. 9.CTTCGGGCA
  10. 10.guanine (G)
  11. 11.AAGATTACC
  12. 12.TAGGTTTAG
  13. ★they land at the same time (challenge corner)

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