Answer:
Many cells are specialised. They have structures that are adapted for their function. For example, muscle cells bring parts of the body closer together. They contain protein fibres that can contract when energy is available, making the cells shorter.
It seems that you have missed the given options for this question, but anyway, the correct answer is BIOLOGICAL CATALYSTS. <span>In living cells chemical processes such as synthesis all require the action of biological catalysts. Biological catalysts are enzymes that speed up the chemical processes in the body. Hope this answer helps.</span>
Describe the Division of the protein and the nature of nature.
A plastic cup
I'm sure this is the answer