Most of the volume of the atom is empty space, throughout which tiny, negatively charged electrons are dispersed.
The nucleus is the center of the atom, around this the electrons move on different energy levels but, in the middle of that, there's only empty spaced.
An artificial heart has been altered by man in some way. Like if they had a valve replaced it becomes artificial.
More widely available food chain for other predators, an increase in population of the prey.
Answer:
sarcomeres
Explanation: A contracting skeletal muscle fiber typically shortens as all of its sarcomeres do this.... Thick and thin protein filaments in sarcomeres interact to cause.... True or false, thick and thin filaments maintain their same length whether the muscle is relaxed or contracted?
Answer: C & A
Explanation:
The HOX genes encodes important transcription factors. This factors causes protein to be made that specify cell fate and identify; embryonic primary axis, secondary axis and plays important roles in various tracts development.