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

Proteins are polymers of which monomers?

  1. ANucleotides
  2. BSimple sugars
  3. CAmino acids
  4. DGlycerol molecules
2.Easy

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

  1. AMeselson and Stahl
  2. BWatson and Crick
  3. CHershey and Chase
  4. DMendel and Darwin
3.Easy

Prokaryotic cells differ from eukaryotic cells because they:

  1. AAre always larger
  2. BHave no DNA
  3. CHave no membrane-bound nucleus
  4. DHave no ribosomes
4.Medium

Glycolysis takes place in the:

  1. ACytoplasm
  2. BNucleus
  3. CInner mitochondrial membrane
  4. DMitochondrial matrix
5.Medium

The rough endoplasmic reticulum is "rough" because it:

  1. AIs studded with ribosomes
  2. BStores calcium only
  3. CContains DNA
  4. DHas a cell wall
6.Medium

Apoptosis is:

  1. ACell fusion
  2. BUncontrolled cell division
  3. CProgrammed cell death
  4. DCell growth
7.Hard

In Michaelis–Menten kinetics, what does the Km of an enzyme represent?

  1. AThe substrate concentration at which the rate is half of Vmax
  2. BThe reaction rate when the substrate concentration is close to zero
  3. CThe maximum rate of the reaction
  4. DThe amount of enzyme in the cell
8.Hard

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

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

Answer key

  1. 1. C · Amino acids
  2. 2. B · Watson and Crick
  3. 3. C · Have no membrane-bound nucleus
  4. 4. A · Cytoplasm
  5. 5. A · Is studded with ribosomes
  6. 6. C · Programmed cell death
  7. 7. A · The substrate concentration at which the rate is half of Vmax
  8. 8. C · The spindle assembly (metaphase) checkpoint

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