Final answer:
Cellular responses can occur in the cytoplasm, where metabolic reactions and protein synthesis take place, ribosomes, which are the primary sites of protein synthesis, mitochondria, where ATP generation occurs, and the nucleus, which houses genetic material and facilitates DNA replication. The correct option is a.) cytoplasm
Step-by-step explanation:
A cellular response can occur in various parts of the cell, each with specialized functions. For instance, the cytoplasm is a jelly-like material outside the nucleus where many metabolic events, including protein synthesis, occur. The ribosomes, which are found both in the cytoplasm and attached to the endoplasmic reticulum, are the sites where protein synthesis takes place.
The mitochondria are known as the powerhouses of the cell and are responsible for generating ATP, the energy currency of the cell, through cellular respiration. Finally, the nucleus acts as the command center of the cell, containing genetic material, and is responsible for processes such as DNA replication. Within the nucleus, the nucleolus is the site of ribosomal synthesis and assembly.
The correct option is a.) cytoplasm