Homework Answers
LDH stands for lactate dehydrogenase. they are tetrametric in nature and hence made of two "M" and two "H" subunits which denote muscles and heart respectively. LDH1 moves fastest due to more positive charge and LDH5 moves slowest in electrophoresis. The "M" subunit is found in its purest form as its isoenzyme M4 i.e. LDH5 in skeletal muscles while the "H" subunit is found in its purest form as its isoenzyme H4 i.e. LDH1 in the heart.
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5. Why would you expect LDH5 to predominate in skeletal muscle and LDH1 in cardiac muscle?
Skeletal muscle is striated and under voluntary control. Cardiac muscle is also striated but under involuntary...
Skeletal muscle is striated and under voluntary control. Cardiac muscle is also striated but under involuntary control. Smooth muscle is not striated and is under involuntary control. Explain why we see striations in both skeletal muscle and cardiac muscle but not in smooth muscle. Also explain what it means to be under voluntary or involuntary control.
Why would your heart not function well if constructed of skeletal muscle? What is the particular...
Why would your heart not function well if constructed of skeletal muscle? What is the particular characteristic of cardiac muscle that is key to proper heart function?
Explain the different of low serum calcium on skeletal muscle and cardiac muscle
Explain the different of low serum calcium on skeletal muscle and cardiac muscle
Classify the following muscle properties as pertaining to cardiac, skeletal, or smooth muscle.
Classify the following muscle properties as pertaining to cardiac,
skeletal, or smooth muscle.
Answer following questions. (a)How are smooth muscle cells different from skeletal muscle fibers and cardiac muscle...
Answer following questions. (a)How are smooth muscle cells different from skeletal muscle fibers and cardiac muscle cells? (b)How are skeletal and cardiac muscle tissues similar to each other? How do these two types of muscle tissue differ from each other?
Compare the rates of muscle contraction and relaxation of skeletal, smooth, and cardiac muscles. ...
Compare the rates of muscle contraction and relaxation of skeletal, smooth, and cardiac muscles. How do they differ? What relationship best describes the differences? Draw a figure to illustrate this. What are the differences mostly due to? (5 pts)
Compare the rates of muscle contraction and relaxation of skeletal, smooth, and cardiac muscles. How do...
Compare the rates of muscle contraction and relaxation of skeletal, smooth, and cardiac muscles. How do they differ? (5 pts) What relationship best describes the differences? Draw a figure to illustrate this. (5 pts) What are the differences mostly due to? (5 pts)
Compare and contrast the following traits for skeletal, smooth and cardiac muscle. You MUST clearly indicate...
Compare and contrast the following traits for skeletal, smooth and cardiac muscle. You MUST clearly indicate which muscle tissue type you are referring to. Making a table is helpful. Number of nuclei in each cell Whether sarcomeres are present (yes or no sarcomeres?) Where the muscle type is generally found in the body (specify organ). For muscle tissues found in multiple places, name AT LEAST TWO places in the body (organs, not muscle names) where it can be found. Whether...
NAME THE TYPE OF MUSCLE TISSUE AND THEN THE STRUCTURES INDICATE Select one: a. SKELETAL MUSCLE,...
NAME THE TYPE OF MUSCLE TISSUE AND THEN THE STRUCTURES INDICATE Select one: a. SKELETAL MUSCLE, MITOCHONDRIA b. SKELETAL MUSCLE, STRIATIONS c. SMOOTH MUSCLE, NUCLEI d. CARDIAC MUSCLE, INTERCALATED DISKS e. CARDIAC MUSCLE, NUCLEI < PREVIOUS
The neurotransmitter acetylcholine (ACh) causes the rapid contraction of skeletal muscle and the slower relaxation of...
The neurotransmitter acetylcholine (ACh) causes the rapid contraction of skeletal muscle and the slower relaxation of cardiac muscle. Which one of the following is the most likely explanation for this difference? A. ACh activates a GPCR pathway in cardiac muscle and an ion channel coupled receptor in skeletal muscle. B. ACh activates an ion channel coupled receptor in cardiac muscle and a GPCR pathway in cardiac muscle. C. ACh is permeable through the plasma membrane of skeletal muscle cells but...
Classify the following muscle properties as pertaining to cardiac,
skeletal, or smooth muscle.
NAME THE TYPE OF MUSCLE TISSUE AND THEN THE STRUCTURES INDICATE Select one: a. SKELETAL MUSCLE, MITOCHONDRIA b. SKELETAL MUSCLE, STRIATIONS c. SMOOTH MUSCLE, NUCLEI d. CARDIAC MUSCLE, INTERCALATED DISKS e. CARDIAC MUSCLE, NUCLEI < PREVIOUS
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