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

Which statement is part of the cell theory?

  1. AAll cells are the same size
  2. BAll cells contain a nucleus
  3. CAll cells come from pre-existing cells
  4. DAll cells can perform photosynthesis
2.Easy

Which structure is found in plant cells but not in animal cells?

  1. ACell wall
  2. BMitochondria
  3. CCell membrane
  4. DRibosomes
3.Easy

A haploid cell contains:

  1. AFour sets of chromosomes
  2. BOne set of chromosomes
  3. CTwo sets of chromosomes
  4. DNo chromosomes
4.Medium

Cyclin-dependent kinases (CDKs) that drive the cell cycle become active when they bind to:

  1. ARibosomes
  2. BCyclins
  3. CTubulins
  4. DHistones
5.Medium

What is the net ATP yield of glycolysis per molecule of glucose?

  1. A1 ATP
  2. B36 ATP
  3. C4 ATP
  4. D2 ATP
6.Medium

Apoptosis is:

  1. AUncontrolled cell division
  2. BCell fusion
  3. CCell growth
  4. DProgrammed cell death
7.Hard

In E. coli, under which conditions is the lac operon most strongly transcribed?

  1. ABoth lactose and glucose absent
  2. BBoth lactose and glucose present
  3. CLactose present and glucose absent
  4. DLactose absent and glucose present
8.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 removing all its phosphate groups
  4. DBy attaching a chain of ubiquitin molecules

Answer key

  1. 1. C · All cells come from pre-existing cells
  2. 2. A · Cell wall
  3. 3. B · One set of chromosomes
  4. 4. B · Cyclins
  5. 5. D · 2 ATP
  6. 6. D · Programmed cell death
  7. 7. C · Lactose present and glucose absent
  8. 8. D · By attaching a chain of ubiquitin molecules

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