Describe myosin - Study guides, Class notes & Summaries

BIOL 235 CHAPTER 10 TEST EXAM (QUESTIONS AND ANSWERS) Describe the structure and function of skeletal muscle tissue - CORRECT ANSWER-Composed of muscle fibre cells (also contain connective tissue, blood vessels and nerves), have striations (alternating light/dark protein bands); usually voluntary (consciously controlled by somatic nervous system) but can also be involuntary (diaphragm and muscles that maintain posture) Describe the structure and function of cardiac muscle tissue - COR...

A&P 1 Final Exam, Straighterline Anatomy and Physiology 1, Straighterline A&P 1 Cumulative Final 100% Pass What is the smallest level of organization in the body that contains the body's genetic information? Select one: a. chemical b. cellular c. tissue d. organism B. Cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information. Which is an example of a normally occurring positive-feedback mechanism? Select one: a. elevated...

Who gets harmed, who benefits in each type of interaction? - • Mutualism (prey and predatory benefit from interaction) • Consumption (one benefits and one is harmed by interaction. Includes: predation, parasitism, herbivory) • Competition (both are harmed by interaction - but one harmed more than the other) What is "facilitation" and how does it play out over time? - Facilitation: an interaction in which one species has a positive effect on the survival and reproduction of another ...

What percentage of body mass does muscle make up in women? correct answers 30-35% What percentage of body mass does muscle make up in men? correct answers 42-47% 3 Muscle Types correct answers Smooth, cardiac, skeletal Locations of smooth muscle correct answers blood vessels, respiratory tract, iris, GI tract Function of smooth muscle correct answers Alters the activity of various body parts to meet the body's needs at the time Describe smooth muscle contraction correct answers S...

Inflammation, production of interferon, and ingestion of pathogens by phagocytes are non specific cellular responses by ? - The internal aspect of the innate immune system what feature of the adaptive immune system decreases the amount of time it takes for the body to respond to a particular antigen? - memory cells Which of the following occurs in the cardiac cycle if the impulse triggered at the sinoatrial node never reaches the Purkinje fibers of the heart? - The ventricles will not contr...

5 characteristics of muscle - correct answer 1. Responsiveness 2. Conductivity 3. Contractibility 4. Extensibility 5. Elasticity 2 names for muscle fiber - correct answer 1. myofiber 2. myocyte Muscle cells are packed full of which type of protein filament? - correct answer myofibrils: bundles of protein filaments (actin and myosin) Difference...

Straighterline Anatomy Final, Straighterline Anatomy & Physiology Exam What is the smallest level of organization in the body that contains the body's genetic information? a. chemical b. cellular c. tissue d. organism -Correct Answer-cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information. Which is an example of a normally occurring positive-feedback mechanism? Select one: a. elevated blood pressure during exercise b. increase in ...

Biology 235 Final Exam Questions With 100% Correct Answers 2024/2025 What is afterload with regards to artery anatomy? - answerElastic arteries - stretch and recoil during pressure pulses Amount of elasticity determines force of afterload How do arterioles affect afterload? - answerProvide vascular resistance and regulate regional blood flow via sympathetic vasomotor tone and pre-capillary sphincters What 4 mechanisms regulate blood pressure in the body? - answerBaroreflex Chemoreceptor ...

Musculoskeletal Flexibility The ability to move a joint freely through its full ROM the incidence of "Lower Back Pain" in the United States 75 million; 80% is attributed to flexibility What is the primary cause of lower back pain? Low Flexibility Describe Elastic Deformation Results in a temporary and reversible change in length of tissue (Rubberband) Describe Plastic Deformation Occurs when tissue is stretched beyond the elastic component of the tissue. It results in relatively pe...

Rush Advanced Pharmacology NSG 531 Exam 3 With Correct Answers Latest . what is the difference between cardiac myocyte action potential and that of the CNS or ANS? - ANSWER nerve cell action potential is very short cardiac action potential is much longer they are longer to have adequate filling time in order to get a good contraction for a reasonable bolus of blood the only way this can happen is if the action potential is longer this will also mean that the refractory period will be long...