Every cell contains DNA. The main purpose of DNA is to store the cell’s genetic information. How does DNA control the cell? A. DNA activates nerve signals in the nervous system
B. DNA speeds up chemical reactions and lowers activation energy
C. DNA protects the cell from invaders.
D. DNA determines what proteins are made.

D. DNA determines what proteins are made.

Explanation:

DNA is basically instructions for how a cell is to function. It lays out what a cell is and how it should perform from the very first task the cell performs, to its last.

The answer is D: DNA determines what proteins are made.

Explanation:

The nucleotide sequences that make up DNA are a “code” for the cell to make hundreds of different types of proteins; it is these proteins that function to control and regulate cell growth, division, communication with other cells and most other cellular functions.This process is called protein synthesis.All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information. It is often compared to a blueprint, since it contains the instructions to construct other components of the cell, such as proteins and RNA molecules.

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answer: a. a gene that causes a specific trait.

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects