For excitation-contraction coupling, which of the following is/are required? and Why?
-calcium ion and ATP
-calcium ions only
-ATP only
-neither calcium ions nor ATP

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment. svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment. svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment. svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.

Clues to ecological principles are given in numerous passages of the bible. a bible study of ecology actually opens the doors to better understanding of god's love and concern for the earth. use a concordance to locate bible passages associated with words concerning our stewardship of the earth. you may use a dictionary to find synonyms for these words: dominion replenish subdue judgment stewardship find each of the passages using these words related to principles of ecology. list all passages by quote, book, chapter, and verse under each word. use your own interpretation to rewrite what you think each verse is saying. after your discussion of each of these words, ask one other person to explain his understanding of the word and a related verse without any hints. summarize what he tells you. a concluding paragraph for each of the words should be written noting similarities and differences between your interpretation and that of each person consulted.