We would expect cells found in the active muscles of animals to contain relatively large amounts of which cellular organelle?

Mitochondria

Explanation:

These organelles are responsible for the development of ATP molecules in cellular respiration. Muscle cells require a lot of energy since they are the powerhouses for movement. ATP is the energy currency for cells hence they are required in abundance in muscle cells.

surface modification is a versatile tool and has been widely used in material science and engineering that has significantly facilitated the study and characterization of complex materials. at  matexcel, experienced experts in surface science can offer tailored efforts to meet the specific needs from our clients.