An enzyme can only bind one reactant at a time.
a. true
b. false
b. false
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Which of the following affects the force-generating capability of a muscle?
A. the muscle length and cross-sectional area B. the angle and distance from the joint center of the tendon attachment to bone C. the velocity of muscle shortening D. all of the above
Which cells produce insulin?
What will be an ideal response?
Since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber
A) lengthens. B) shortens. C) strengthens. D) weakens. E) pulls from the middle.
Which statement is true regarding the specificity of communication by the nervous system compared to the endocrine system?
A. The nervous system can have low specificity while the endocrine system is highly specific as to its target. B. The nervous system and the endocrine system have the same level of specificity as to their targets. C. The nervous system can have higher specificity compared to the endocrine system when considering communication with its target. D. Neither the nervous system nor the endocrine systems are specific to a target.