What organelle of skeletal muscle cells stores calcium used in muscle contaction?

What is the sequence of amino acids corresponds with the rna strand ucg ggg cac

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Which direction does the energy flow in this energy pyramid ?