The corect answer is: B. Intercalated disks.
I hope that helped! :)
No bacteria are not in tissues
<span>Characteristics of Enzymes : *Enzymes Made out of proteins and RNA. *Shape related to the function, names usually end in ase, catalyst. functions of enzymes is speed up chemical reactions by lowering the activation energy . Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.</span>
