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Jack is working on a Linux system and wants to perform a manual DNS lookup. Which of the utilities should he use?
Hormone
A chemical secreted by a cell that affects the functions of other cells.
Steroidal Hormones
Hormones derived from cholesterol, including sex hormones and corticosteroids, which play vital roles in body functions.
Genes
Units of heredity made up of DNA that encode the information necessary to build and maintain an organism's cells and pass traits to offspring.
Nucleus
The central and most important part of an object, movement, or group, forming the basis for its activity and growth; in cells, it is the organelle that houses the cell's DNA.
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