Myocardium (cardiac muscle tissue) must rhythmically contract for a lifetime. This requires a considerable amount of energy production by the cells. You would expect to see a relatively high amount of which organelle in these cells?

A) mitochondria
B) lysosomes
C) smooth endoplasmic reticulum
D) cytoskeleton

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

How does the carbon cycle involve an exchange of carbon

What is the process by which biological parents pass traits such as hair type or eye color to their children