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Questions and Answers
Which of the following is a primary characteristic of DNA?
Which of the following is a primary characteristic of DNA?
- DNA replicates through transcription.
- DNA is a type of protein.
- DNA carries genetic information. (correct)
- DNA is composed of amino acids.
What is another significant feature of DNA?
What is another significant feature of DNA?
- DNA only exists in prokaryotic cells.
- DNA has three strands.
- DNA is a double helix structure. (correct)
- DNA is only found in the cytoplasm.
Which option correctly describes the function of DNA?
Which option correctly describes the function of DNA?
- DNA assists in photosynthesis.
- DNA provides energy for cellular activity.
- DNA regulates metabolic processes in cells.
- DNA stores and transmits genetic information. (correct)
Which statement about the components of DNA is incorrect?
Which statement about the components of DNA is incorrect?
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Which of the following is NOT a function associated with DNA?
Which of the following is NOT a function associated with DNA?
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Study Notes
Characteristics of DNA
- DNA is a double-stranded helical structure, consisting of nucleotides that include a phosphate group, a sugar, and a nitrogenous base.
- The primary characteristic of DNA is its capacity to store genetic information, which is vital for the development and functioning of living organisms.
Significant Features of DNA
- DNA is stable and can replicate itself accurately, ensuring that genetic information is passed from one generation to the next.
- The sequence of the nitrogenous bases (adenine, thymine, cytosine, and guanine) encodes the information necessary for synthesizing proteins.
Functions of DNA
- DNA serves several essential functions, including encoding genetic instructions for the development and functioning of living organisms, regulating cellular processes, and guiding reproduction.
Components of DNA
- DNA is composed of four types of nucleotides that vary based on their nitrogenous bases; any description that misrepresents or omits these components would be incorrect.
Functions NOT Associated with DNA
- Functions typically associated with DNA do not include direct involvement in metabolic activities; instead, they center around genetic coding and inheritance mechanisms.
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