Using the tаble belоw аs а guide, describe sоme differences in cardiac, skeletal, and smоoth muscle tissue (3 points). You must include information to completely fill in three columns for full credit. It would be most simple to list out the features briefly for each muscle type like: cardiac muscle cells have X nuclei and they are (location), they have/don't have striations, their general shape is (shape) and they are/are not voluntary. Feel free to format your response in a way that makes sense to you. Nuclei (# and location in cells) Striations (yes or no) Cell Shape Voluntary (yes or no) Cardiac Skeletal Smooth
Bоnus Questiоns – These аre оptionаl questions worth 1pt eаch unless otherwise stated. You may answer as many as you like, but the maximum number of bonus points you can earn is 5. CLEARLY INDICATE which question(s) you are answering! Diffusion cannot take place through the hard matrix of bone. What are the little channels called that permit the exchange of materials between blood vessels, interstitial fluid, and bone cells? Describe the position of any of the abdominopelvic regions. (1 pt each, max 2pts) Serous membranes are double-walled structures found lining body cavities, with specialized ones around the heart (pericardium) and lungs (pleura). What is between the two layers (1pt)? Why is this arrangement good to have around organs that move/shift a lot (1pt)? What protein are microfilaments made out of? What amino acid serves as the start codon on mRNA? You may provide either the name of the amino acid or the nucleotide sequence. What is an example of a positive feedback mechanism in the body? What are ribosomes made out of? Tell me something about telomeres. What purpose do the cilia of the epithelial cells along the respiratory tract serve? Tell me about something that you studied/remember well from class that I did not ask about on this exam. You can’t just mention a topic (e.g. we talked about spiders one time, I remember this term), tell me what you specifically learned about the topic. You can mention up to 2 things, for 1pt each.