DNA STRUCTURE

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Last updated 2:50 AM on 9/28/26
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4 Terms

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  • C. Nucleus

  • DNA is found in the "Nucleus of eukaryotic cells." Eukaryotes have a membrane-bound nucleus that houses their genetic material, separating it from the rest of the cell's machinery.


In eukaryotic organisms, where is the primary location of DNA?
A. Cytoplasm
B. Ribosomes
C. Nucleus
D. Cell membran

2
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  • B. Cytoplasm

  • Prokaryotes (like bacteria) lack a membrane-bound nucleus or nuclear membrane. So, their DNA exists freely in the cytoplasm, specifically in a region called the nucleoid.


where is DNA located in prokaryotic cells?
A. Nucleolus
B. Cytoplasm
C. Mitochondria
D. Golgi apparatus

3
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  • C. Contains genetic code

  • DNA carries genetic information serves as the blueprint for all biological instructions required for an organism to develop, survive, and reproduce.


What is the primary function of DNA ?
A. Energy production
B. Protein synthesis
C. Contains genetic code
D. Transport of oxygen

4
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  • C. Deoxyribose (Sugar ribose backbone)

  • DNA contains Deoxyribose (lacking an oxygen atom), whereas RNA contains Ribose


Which sugar forms the backbone of a DNA molecule?
A. Glucose
B. Ribose
C. Deoxyribose (Sugar ribose backbone)
D. Sucrose