A small rod-like structure, about 4–7 nanometres in diameter, present in numbers in the cytoplasm of many eukaryotic cells.
- ‘Actin is the major constituent protein of microfilaments in eukaryotic cells.’
- ‘In particular, we have focused our attention on microtubules, actin microfilaments and intermediate filaments of keratin.’
- ‘Some cells possessed abundant, randomly arranged thin microfilaments in their cytoplasm.’
- ‘In poliovirus infection, both intracellular movement and release of virus appear to be related to cytoskeletal changes, particularly involving actin microfilaments.’
- ‘If microfilaments antagonize microtubules, this uneven distribution of microfilaments should affect microtubule morphology.’
We take a look at several popular, though confusing, punctuation marks.