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According to cell theory, all cells carry out the functions needed to sustain life. That means all cells must contain A) DNA. B) a nucleus. C) organelles. D) a control center.

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Organelles are needed for all cells to sustain life. Cell theory states: -that all living things are made of cells -all cells camef rom preexisting cells -and all cells are the basic structure of life. The function or organelles is that it carries the little organs which are needed for specific functions in the body.

According to cell theory, all cells carry out the function needed to sustain life.It means all cells must contain DNA  as it is a molecule that holds biological instructions to develop, survive, and reproduce.

Thus, option A is correct.

What is cell theory?

  • Cell theory is given by Robert Hooke.
  • According to cell theory all cells arise from already existing cell
  • Cell is the basic structural and functional unit of life
  • All living organisms are made up of cell either single or multi cell

DNA is deoxyribonucleic acid made up of two polynucleotide chains that arranged in a double helical structure.

The main functions of DNA are replication, uncoding  information,recombination and gene expression.

DNA plays a vital role and it is considered as primary unit of heredity in all types of organisms.

Therefore,According to cell theory, all cells carry out the function needed to sustain life.It means all cells must contain DNA  as it is a molecule that holds biological instructions to develop, survive, and reproduce.

Thus, option A is correct.

Learn more about cell theory here:

https://brainly.com/question/1468725

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