Which of the following processes occurs during the contraction of skeletal muscle?
A. Calcium ions are taken up by the terminal cisternae.
B. The myofilaments become shorter.
C. Calcium ions dissociate from troponin.
D. Myofibrils slide over each other.
E. Z discs move closer together.
E. Z discs move closer together.
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Fill in the blank(s) with correct word
The hormone that raises blood sugar levels is insulin
Indicate whether the statement is true or false
A tissue has the following characteristics: abundant extracellular matrix, abundant collagen fibers, collagen fibers mainly parallel to each other. Which of the following injuries results in damage to this kind of tissue?
A. Broken femur bone B. Tear in the tissue that attaches the gastrocnemius muscle to bone C. Tear in the cartilage of the knee D. Broken nose E. Bullet penetrating the abdominal wall
Which of these is a cation? Check all that apply.A) O2B) K+C) Na+D) Ca2+E) Cl-
What will be an ideal response?