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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Name: ____________________   Date: ____________

1.Easy

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

  1. AMeselson and Stahl
  2. BHershey and Chase
  3. CWatson and Crick
  4. DMendel and Darwin
2.Easy

What is the final electron acceptor in aerobic respiration?

  1. AGlucose
  2. BCarbon dioxide
  3. CNAD⁺
  4. DOxygen
3.Easy

When human muscle cells lack oxygen, pyruvate is converted into:

  1. AGlucose
  2. BEthanol
  3. CAcetyl-CoA
  4. DLactate
4.Medium

What separates during anaphase I of meiosis?

  1. AHomologous chromosomes
  2. BCentromeres of each chromatid
  3. CSister chromatids
  4. DWhole nuclei
5.Medium

Glycolysis takes place in the:

  1. ANucleus
  2. BCytoplasm
  3. CMitochondrial matrix
  4. DInner mitochondrial membrane
6.Medium

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

  1. AA nuclear localisation signal
  2. BMannose-6-phosphate
  3. CA KDEL sequence
  4. DUbiquitin
7.Hard

Which checkpoint ensures all chromosomes are attached to the spindle before anaphase begins?

  1. AThe spindle assembly (metaphase) checkpoint
  2. BThe G1/S checkpoint
  3. CThe S-phase checkpoint
  4. DThe G2/M checkpoint
8.Hard

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

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

Answer key

  1. 1. C · Watson and Crick
  2. 2. D · Oxygen
  3. 3. D · Lactate
  4. 4. A · Homologous chromosomes
  5. 5. B · Cytoplasm
  6. 6. B · Mannose-6-phosphate
  7. 7. A · The spindle assembly (metaphase) checkpoint
  8. 8. C · By attaching a chain of ubiquitin molecules

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