to model bacterial cells agar cubes were used. Agar is a material that absorbs substances from its surroundings. The agar contai
ned an indicator dye and dilute sodium hydroxide (an alkali).The indicator.dye is pink at a pH greater than 8, but becomes colourless when pH falls below 8. Figure 1 shows an agar block as well as some of the other equipment used in the experiment. Describe a method that the student could have used in her experiment answer
When petting a dog, mechanoreceptors in the skin of your hand send signals to the sensory neuron. The sensory neuron connects to your spinal cord and through your brain.
