Reason whether or not the following graded potentials that are happening almost at the same time can generate the action potentials (APs) in the neuron. (The resting potential is -70mV, and the threshold is -55mV.) Calculate the net potential to evaluate if it exceeds the threshold to generate APs. 1) +10 mV graded potential 2) -15 mV graded potential 3) +25 mV graded potential
Read DetailsOur autonomic nervous system contains two branches, the sympathetic and parasympathetic nervous systems. When you are relaxing on a Friday night, enjoying your favorite movie, eating your favorite food, or listening to music, select ALL the things that may happen in your body.
Read DetailsUsing the figure above and write down with a corresponding alphabet for 1) to 3). 1) Identify the structure that is the unit of contraction. [C] 2) Identify the structure that involves troponin and tropomyosin proteins. [D] 3) Identify the structure that has heads to attach to the thin filament. [B] 4) Write the name of the ions that are required to form a cross-bridge formation between the two filaments. [calcium]
Read DetailsWe’ve talked about homeostasis in class with multiple examples. 1) What are the four components of homeostasis? List them down here and explain what each means. 2) Choose your example (except thermoregulation) and explain what it is and how it works in our body.
Read Details1) Identify the structure that is related to the sense of vision. [B] 2) Identify the structure that is related to the sense of smell. [A] 3) Identify the structure that controls the spinal reflex. [D] 4) The sheep’s brain is covered with this tough tissue, with 3 layers to protect the brain. What is the name of this connective tissue layer in general? [Meninges]
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