All of the Above seeing that they are all diseases caused by genetic mutations.
Answer:
C. Moving a bone back and forth requires the action of at least two muscles.
Explanation:
To move bones in opposite directions muscles must pair up to help move the body part.
No, they don't have organs and organ system.
Cells form tissues, Tissues form organs, Organs forms organ system; Unicellular have their own one cell only. So, it can't possible that they have organs or organ system.
a large group of plants that are defined as those land plants that have lignified tissues for conducting water and minerals throughout the plant