Cell biology worksheet with answers

Free printable Cell biology worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

Where is the genetic material of a eukaryotic cell mainly stored?

  1. AIn the ribosomes
  2. BIn the cell membrane
  3. CIn the nucleus
  4. DIn the vacuole
2.Easy

Who proposed the double-helix model of DNA in 1953?

  1. AHershey and Chase
  2. BMendel and Darwin
  3. CWatson and Crick
  4. DMeselson and Stahl
3.Easy

What is the function of ribosomes?

  1. AProtein synthesis
  2. BLipid storage
  3. CCell division
  4. DPhotosynthesis
4.Medium

Which tag added in the Golgi sends enzymes to the lysosomes?

  1. AMannose-6-phosphate
  2. BUbiquitin
  3. CA KDEL sequence
  4. DA nuclear localisation signal
5.Medium

What is crossing over during meiosis?

  1. AFusion of two gametes
  2. BExchange of genetic material between homologous chromosomes in prophase I
  3. CSeparation of sister chromatids as they move to opposite poles in anaphase II
  4. DCopying of DNA before division
6.Medium

Transcription produces:

  1. AProtein from mRNA
  2. BDNA from DNA
  3. CmRNA from a DNA template
  4. DDNA from RNA
7.Hard

How does a cell mark a damaged or short-lived protein for destruction by the proteasome?

  1. ABy adding a signal sequence for the ER
  2. BBy adding mannose-6-phosphate
  3. CBy attaching a chain of ubiquitin molecules
  4. DBy removing all its phosphate groups
8.Hard

In the Hershey–Chase experiment, phages labelled with ³²P and ³⁵S infected bacteria. What was found inside the bacteria?

  1. ANeither label, because phages stay outside
  2. BMostly ³²P, showing DNA enters the cell
  3. CMostly ³⁵S, showing protein enters the cell
  4. DEqual amounts of both labels

Answer key

  1. 1. C · In the nucleus
  2. 2. C · Watson and Crick
  3. 3. A · Protein synthesis
  4. 4. A · Mannose-6-phosphate
  5. 5. B · Exchange of genetic material between homologous chromosomes in prophase I
  6. 6. C · mRNA from a DNA template
  7. 7. C · By attaching a chain of ubiquitin molecules
  8. 8. B · Mostly ³²P, showing DNA enters the cell

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