THE ACTIN has the active site to which the heads of the thick filament will bind.
The muscle is made up of two major protein fibers, which are the actin and the myosin. Muscle contractions occur when myosin and actin slide over each other in a series of repetitive events. The protein actin has a thin structure and is abundant in eukaryotic cells while myosin is a thick filament.
It should be an igneous rock because it formed by the volcanoes lava cooling down
Metamorphosis is a type of homeostasis. A. is the correct answer.
Answer
CORRECT ANSWER ► B
B- A periodic warming sea surface temperatures
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