Myofibrils contain two different proteins called?

structure. The filaments of myofilaments,  consist of two types, thick and thin: Thin filaments consist primarily of the protein action, coiled with nebulin filaments. Action, when polymerized into filaments, froms the “ladder” along which the myosin filaments “climb” to generate motion

Actin and myosin.

hope this helps <3

(I just simplafyed the other persons so they deserve some thanks for that)

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

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explanation:

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