DNA Structure in Prokaryotes and Eukaryotes
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Questions and Answers

What is the main difference between the structure of DNA in prokaryotes and eukaryotes?

Prokaryotic DNA is circular, whereas eukaryotic DNA is linear.

Where is the DNA found in prokaryotic cells, and what is it associated with?

The DNA is found in the cytoplasm (nucleoid) and is not associated with histones.

What is unique about the genes found in eukaryotic DNA compared to prokaryotic DNA?

Eukaryotic genes contain introns.

How do the DNA molecules of mitochondria and chloroplasts compare to prokaryotic DNA?

<p>Mitochondrial DNA and chloroplast DNA are both double-stranded, circular molecules with no introns, similar to prokaryotic DNA.</p> Signup and view all the answers

What is the function of the DNA found in mitochondria and chloroplasts?

<p>The DNA in mitochondria and chloroplasts produces proteins required for their function.</p> Signup and view all the answers

What distinguishes proteins from polypeptides?

<p>Proteins are the functional unit, made up of one or more polypeptides, whereas polypeptides are linear molecules made up of multiple peptides.</p> Signup and view all the answers

What are the building blocks of proteins?

<p>Amino acids</p> Signup and view all the answers

What are essential amino acids?

<p>Amino acids that must be obtained from food</p> Signup and view all the answers

What is the role of tRNA in protein synthesis?

<p>Transfers specific amino acids to the ribosome during polypeptide formation</p> Signup and view all the answers

What is the process of converting mRNA sequence into a specific sequence of amino acids?

<p>Translation</p> Signup and view all the answers

What is the process of making a complimentary copy of a gene (DNA)?

<p>Transcription</p> Signup and view all the answers

What is the function of mRNA?

<p>Carries genetic information from DNA to the ribosome for protein synthesis</p> Signup and view all the answers

How many essential amino acids are there?

<p>9</p> Signup and view all the answers

What determines the function of a protein?

<p>The sequence and folding of amino acid chains</p> Signup and view all the answers

What is the role of ribosomes in protein synthesis?

<p>Translation of mRNA sequence into a specific sequence of amino acids</p> Signup and view all the answers

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