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

How many chromosomes are in a normal human body (somatic) cell?

  1. A46
  2. B23
  3. C44
  4. D48
2.Easy

Which molecule brings amino acids to the ribosome during translation?

  1. ADNA polymerase
  2. BRibosomal RNA (rRNA)
  3. CMessenger RNA (mRNA)
  4. DTransfer RNA (tRNA)
3.Easy

Which organelle produces most of the cell's ATP?

  1. ARibosome
  2. BMitochondrion
  3. CGolgi apparatus
  4. DLysosome
4.Medium

The rough endoplasmic reticulum is "rough" because it:

  1. AIs studded with ribosomes
  2. BStores calcium only
  3. CHas a cell wall
  4. DContains DNA
5.Medium

During which phase of mitosis do sister chromatids separate?

  1. ATelophase
  2. BProphase
  3. CMetaphase
  4. DAnaphase
6.Medium

How does glucose enter most body cells, such as red blood cells?

  1. ABy facilitated diffusion through GLUT carrier proteins
  2. BBy primary active transport using ATP directly at the membrane
  3. CBy simple diffusion through the lipid bilayer
  4. DBy phagocytosis
7.Hard

Sickle cell disease is caused by a single base substitution that changes glutamate to valine in beta-globin. What type of mutation is this?

  1. AFrameshift mutation
  2. BSilent mutation
  3. CNonsense mutation
  4. DMissense mutation
8.Hard

In eukaryotic mRNA processing, splicing removes:

  1. AExons
  2. BThe 5′ cap
  3. CIntrons
  4. DThe poly-A tail

Answer key

  1. 1. A · 46
  2. 2. D · Transfer RNA (tRNA)
  3. 3. B · Mitochondrion
  4. 4. A · Is studded with ribosomes
  5. 5. D · Anaphase
  6. 6. A · By facilitated diffusion through GLUT carrier proteins
  7. 7. D · Missense mutation
  8. 8. C · Introns

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