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Turkeys in captivity fed on a grain diet (type of grain unspecified) begin to show abnormal walking and postural behaviors such as staggering, and paralysis of neck and other appendages. You humanely euthanize the captive flock and conduct necropsies. Individuals show presence of irregularly shaped white patches in both skeletal and cardiac muscle. Based on this information, what modification to the diet would you suggest to improve the health of future captive turkeys?
Increase tocopherol
Increase iron
Increase calcium
Add Acetyl-CoA
Increase carbohydrates
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- "Motor neurons trigger action potentials in muscle cell membranes that open voltage-sensitive Ca2+ channels in T tubules, allowing extracellular Ca2+ to enter the cytosol, bind to troponin C, and initiate rapid muscle contraction", is true or false.Consider Figure 49.3 in the textbook. Aerobic scope can be understood as an animal's capacity to increase its metabolic rate above maintenance levels so that they can perform physically demanding tasks. The following statements are true. Please choose all applicable options. a.Salmon performance is highly dependent on and sensitive to temperature changes. b.All salmon stocks have the same percentage of aerobic scope at any given temperature. c.All salmon stocks have a similar trend that relates temperature to their percentage of aerobic scope. d.As temperature increases, various salmon stocks have higher percentage of aerobic scope available to complete cardiovascular demands. e.As temperature increases, various salmon stocks have lower percentage of aerobic scope available to complete cardiovascular demands.Do a little bit of reserach on each Muscular Dystrophy (MD) subtype and gather your results in the table below. To answer questions 2 and 3, use this table (attached) as a guide. 2. Select two MD subtypes from the table above to examine and contrast their similarities and differences. Questions to consider: How do they differ in their progression?Do they have an impact on various muscle groups or the same ones? Is it more probable that a woman or a man will be affected?Chosen MD Subtypes: 3. What tools are utilised to determine the presence of muscular dystrophy? When forming a particular muscular dystrophy diagnosis, why is it vital to collect different pieces of data?
- When the body temperature of ghost crabs is raised from 15°C to 24°C, resting metabolic rate and both increase, but the increase in is much greater than the increase in resting metabolic rate. Given this information, what would be the likely result if ghost crabs in nature experienced conditions that raised their typical body temperature from 15°C to 24°C? Select one: a. Aerobic scope and capacity for aerobic exercise would decrease. b. Aerobic scope would decrease and capacity for aerobic exercise would increase. С. Aerobic scope and capacity for aerobic exercise would increase. d. Aerobic scope would increase and capacity for aerobic exercise would decrease.I am doing an experiment where I am test muscle fatigue in both your dominant and no dominant arm. So going to do 5 sets of fifty squeezes using a ball and record the amount of time it takes to get to fifty squeezes as fast as I can without rest between sets. My hypothesis is that the non dominant arm will get more fatigued faster than my dominant arm. My question would be I am confused as to what the independent and dependent variable would be.Muscle Contraction In an experiment, the strength of a neural stimulus and the resulting muscle contraction are compared. A single motor neuron that synapses with one muscle fibre is observed in this experiment. One end of the muscle fibre is attached to a mass. The following data were obtained from the experiment. Number of Trials Strength of Stimulus (mV) Mass Lifted by Muscle Contraction (g) 1 20 0 2 40 0 3 60 50 4 80 50 5 100 Not Tested 6 120 50 *note that the voltage applied is positive in order to raise potential from resting to threshold Identify the manipulated, responding and controlled variables in the experiment described above. Strength of Stimulus Number of Muscle Fibre Stimulated Mass Lifted by Muscle Contraction
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- Caffeine is the go-to supplement for many athletes. Caffeine is well known to enhance and prolong exercise performance. Caffeine and coffee can both significantly improve performance for endurance athletes. A genetic variation may determine the extent to which caffeine improves your endurance performance. Give two evidence of why caffeine is so helpful to most athletes with explainations.In three scenarios, the person must jump three times as high as he/she can, and it is recorded in cm. Results: Jumping Variations A. Jump immediately from standing position B. Bend the hips and knees for 5 seconds then jump C. Quickly bend the hips and knees then jump Trial 1 Trial 2 Trial 3 Average 21 22 20 21 30 28 27 28.3 36 38 39 37.67 What are the biological and physiologic explanation/s for the results?Which of the following rows describes the change in heart rate, blood flow to skin, and glucose storage that would be expected to occur immediately following stimulation of the parasympathetic nervous system? Select one: a. Heart Rate Blood Flow to Skin Glucose Storage Increased Increased Decreased b. Heart Rate Blood Flow to Skin Glucose Storage Decreased Decreased Increased c. Heart Rate Blood Flow to Skin Glucose Storage Decreased Decreased Decreased d. Heart Rate Blood Flow to Skin Glucose Storage Increased Increased Increased