Answer:
Among these adaptations are: streamlined bodies for efficient movement through water; forelimbs modified into flippers to aid in steering; hind limbs internalized remnants reducing drag; tail positioned horizontally to achieve a powerful up and down propulsion; hair replaced with under-skin blubber to provide warmth ...
Explanation:
Answer:
The right answer is A ..ok
Answer:
A complete round of ATP hydrolysis produces a single 'step' or movement of myosin along the actin filament. ... Step 2: ATP binding to the myosin head domain induces a small conformational shift in the actin-binding site that reduces its affinity for actin and causes the myosin head to release the actin filament.
Explanation:
Identify a body or as a security measure.
