The heavy chain of myosin contains 2 important regions: the first acts as ________ to convert energy into movement whereas the second binds to ________.
What will be an ideal response?
ATPase, actin
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Which of the following characteristics apply to all protists?
A) They are animal-like. B) They can photosynthesize. C) They have a nucleus. D) They have a cell wall.
How many phosphates would AMP have attached to it?
What will be an ideal response?
A skeletal muscle is considered to be an organ of the muscular system.
Answer the following statement true (T) or false (F)
What is the functional significance of gap junctions?
A) They form a barrier that isolates the basolateral surfaces from deeper tissues. B) They attach the deepest epithelial cells to the basement membrane. C) They provide firm attachments between neighboring cells. D) They strengthen the apical region and prevent leakage. E) They permit chemical communication (diffusion of ions and small molecules) that coordinates the activities of adjacent cells.