A planet cell is a cell on a planet
The answer is C. In the ribosome, the protein synthesis and then transports to the endoplasmic reticulum for further transportation. For A, it often occurs in lysosome. For B, it occurs in mitochondria. For D, it occurs in cell nucleus.
It helps you organize your data, and so its not a complete mess when you need to refer back to it. It will help you organize and not confuse and miscompare information. It also looks better and looks like you know what you're doing.
These are known as Hormones. Hormones are chemical messengers that are released in one tissue normally endocrine glands for example, adrenal glands, pituitary glands, and transported in the blood stream to alter the activities of specific cells in other tissues. Hormones serves as messengers, controlling and coordinating activities or processes such as growth, metabolism and fertility in the body.
Jobs. Like a snow blowing company. They would not have that in Puerto Rico. But Canada might. Because they have a different enviornment.