Answer:
DNA stores an organism’s genetic code.
<span>Cross bridges are created when myosin heads bind to ATP. This phenomenon is basically muscle contraction at work. In order for myosin heads to be bound with ATP at the actin active site, it must be excited with Calcium.
Once myosin heads bind with ATP, it begins to slide and perform muscle contractions in the body, allowing a person to move.</span>
I believe it would be the reptile kingdom!
Answer:
In summary, breathing is the process of inhaling and exhaling through our lungs. It brings oxygen into the body and expels unwanted carbon dioxide. ... Our cells perform cellular respiration with oxygen and glucose to make energy and carbon dioxide.
Explanation:
<span>The appropriate answer is A. the hemisphere is is tilted toward the sun and the sun reaches its highest point in the sky. This usually occurs on June 20 or 21. At this time the northern hemisphere experiences its longest day. Summer in the nothern hemisphere means that the earth is tilted towards the sun and receives sun rays that are more direct. </span>
