Which of the following describes titin's roles in muscle contraction?
A. Helps to hold the actin myofilaments in position
B. Accounts for muscle's extensibility and elasticity
C. Allows the sarcomere to recoil and stretch
D. Accounts for muscle's excitability
Ans: A. Helps to hold the actin myofilaments in position
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Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?
The anterior chamber is the portion of the globe between the _____ and the _____, and is filled with _____ humor.
A) iris, lens, vitreous B) cornea, iris, aqueous C) lens, iris, vitreous D) lens, cornea, aqueous