Which of the following is an example of qualitative observation? a. joseph is observing the color difference in the reaction mixture of each of the test samples to see what types of proteins are present in them.
b. joseph is measuring the color of the reaction mixture colorimetrically to see the concentration of proteins in the sample.
c. joseph is observing the color of the reaction mixture to see whether proteins are present in the given solution.

Structures in cells that carry out specific functions.

How do symptoms created by inflammation the doctor

Imagine a person stepping on a pin and pulling his or her foot away. look at the reflex arc of this scenario below. which statement best describes the image? a)the sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor. b)the motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector. c)the sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector. d)the sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.