Secondary structure of protein.
in seconday structure, the polypeptide chain is spirally arranged in linear form.
Teriary structure of protein
In tertiary structure the polypeptide chain is arranged in three dimension.
Quaternary structure of protein
In this structure more than one polypeptide chain are arranged in three dimension forming a globular shape.
Answer:
it is the third option: DNA reads the nucleotide sequences found in genes. Genes are located on tightly wound structures called chromosomes.
Explanation:
The most common cause is the accuracy of the measure instruments. And the observation of operator is also an important factor. That's why one measurement should do three times and use the average.
Http://www.indiana.edu/~geol105/images/gaia_chapter_3/wegener.htm
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Hi Ciara00king
Anoxia, or a lack of oxygen in bodies of water, leads to dead zones.
