pawn
mutant of Paramoecium that, like the chess piece, can only move forward and is unable to reverse to escape noxious stimuli. Defect is apparently in the voltage sensitive calcium channel of the ciliary membrane.
Dictionary > Pawn
You will also like...
![kinesin motor proteins transporting molecules across microtubules](https://www.biologyonline.com/wp-content/uploads/2020/02/Movement-of-molecules-across-cell-membranes-252x168.jpg)
Movement of Molecules Across Cell Membranes
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
![Photosynthesis and respiration](https://www.biologyonline.com/wp-content/uploads/2020/02/Plant-Metabolism-284x168.jpg)
Plant Metabolism
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
![DNA molecule](https://www.biologyonline.com/wp-content/uploads/2020/02/Genetic-Control-On-and-Off-Genes-252x168.jpg)
Genetic Control – On and Off Genes
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..
![Buttress roots](https://www.biologyonline.com/wp-content/uploads/2020/02/Roots-252x168.jpg)
Roots
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
![Types and Causes of Brain Damage](https://www.biologyonline.com/wp-content/uploads/2020/02/Types-and-Causes-of-Brain-Damage-166x168.jpg)
Types and Causes of Brain Damage
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
![primitive arthropods](https://www.biologyonline.com/wp-content/uploads/2020/02/Arthropods-300x150.jpg)
Arthropods
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..