Answer:
the cells of all organisms in the domain eukarya contain a nucleus
A cross bridge cycle occurs when actin (A) combines with myosin (M) and ATP to produce force, adenosine diphosphate (ADP) and inorganic phosphate (Pi). The cross bridge cycle is a series of molecular events that occur after excitation of the sarcolemma.
Answer:
B, it will rotate and face the sun.
Explanation:
The Earth rotates a lot, especially in 5 hours. It will not be stationary. It is most likely that at 8 AM, the Earth will be facing the sun, not away from the sun.
A constant variable would be an element that remains unchanged and constant throughout the course of the experiment / investigation.