Answer:
The correct answer would be "Myosin heads attach to sites on actin filaments".
The muscle cell or myofibril consists of two types of protein filaments namely; actin (thin filament) and myosin (thick filament).
The myosin heads attach to the binding sites on the actin filaments and pull it towards the M-line in order to produce contraction.
The hydrolysis of ATP provides energy for this contraction cycle.
Answer:
fault (or fault line) - fracture in the Earth's crust
Explanation:
The spelling
Explanation:
Similarities are they can still produce flowers or fruits and differences are old plants may be weak and shorter life span...
The answer would be AB+40.
The answer is the first option- "A-T"
