1. describe the basic signal transduction pathway. explain how cells are programmed to
respond only to signals that carry information that is important to them.
2. explain the role of kinase proteins in phosphorylation cascades. explain how second
messengers can amplify a cellular response.
3. define homeostasis. explain how long distance signaling molecules (hormones) trigger the
negative feedback loops that the body maintain homeostasis.

Ican answer some, but not all! 2.) sensory info not being transmitted to the brian will result in a lack of responses that could be life saving. 4.) sensory adaption will helo people recognize certain images or objects that will give them a clearer understanding and expand their knowledge. them also become familiar with their surroundings. 8.) light the retina detect an object as it passes through the pupil and into the retina. 12.) cones in the retina us see color. they us see red. blue and green

Staying organized is correct according to edgenuity