Answer: positive feedback loops enhance or amplify changes. this tends to move a system away from its equilibrium state and make it more unstable. Negative feedbacks tend to dampen or buffer changes. this tends to hold a system to some equilibrium state making it more stable.
Explanation:
A sarcomere is the basic contractile unit of muscle fiber. Each sarcomere is composed of two main protein filaments—actin and myosin—which are the active structures responsible for muscular contraction. The most popular model that describes muscular contraction is called the sliding filament theory.
Answer:
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Explanation:
So basically you will need to
1.It is a universal solvent.
2Pure water is transparent, colourless and odourless.
3.Pure water is a poor conductor of electricity.
4.Water in a pure form has a neutral ph i.e 7 which means it is neither acidic nor basic.
C) centrioles is correct
All other parts have important functions but only centrioles help with chromosomes