Normal cardiac muscle is similar to normal skeletal muscle in terms of

There are three types of muscles found in the human body.

Skeletal (muscles that move voluntarily)

Smooth (involuntary muscles in organs)

Cardiac (only found in heart)

Normal cardiac muscle is similar to normal skeletal muscle in terms of pattern.

Both of them are striated muscles and have a banded pattern called Striations caused by the overlapping arrangement of their two contractile proteins which are myosin and actin.

Bacteria is your answer!

Explanation:

"The nuclear material in the cell or the DNA is contained within a double membrane. Bacteria are the only type of cells that are not eukaryotic, they are prokaryotic so they do not have DNA encased within a membrane."