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Vivid Biology

Purple protein shapes drawstring heavyweight canvas tote bag

Regular price
$38.55 USD
Regular price
Sale price
$38.55 USD


  • Measures: 16''(L) x 14.5"(W) x 2.5''(H)
  • Non-fading and non-toxic
  • Interior zipped pocket for keys and phone
  • Lined with white satin to reinforce strength
  • Drawstring to protect contents in the rain or to secure closed when traveling
  • Fits 13" laptops
  • Heavy duty enough for a work laptop, several books, and a lunchbox




    This 100% heavyweight 12 oz top quality cotton/polyester blended canvas fabric tote bag holds all of your goodies in style. Top quality with wide and long straps that offers exceptional functionality and carrying comfort. The bag is machine washable, dry-cleanable, non-fading and non-toxic.


    Protein shapes

    Proteins are the basic building blocks of life, and secondary protein structures are an important part of their structure. Secondary protein structures are formed when the peptide bonds between amino acids twist and fold into specific shapes. The most common of these shapes are the alpha helix and the beta pleated sheet. Alpha helices are made up of amino acids that form a spiral structure, while beta pleated sheets are made up of amino acids that form a flat, accordion-like structure. Both structures are held in place by hydrogen bonds, which form between atoms in the protein chain.

    The secondary structure of a protein is important for its function and stability. Not only does it create a specific shape, but it also helps the protein interact with other molecules in the cell. It also helps protect the protein from denaturation, which can occur due to changes in pH or temperature.

    The tertiary structure of a protein is the complete three-dimensional shape of the entire protein and is determined by the folding of the secondary structures. It is also affected by the size of the amino acids, as smaller amino acids can fit into tighter spaces compared to larger ones.

    The quaternary structure of a protein refers to a combination of two or more proteins. This type of structure is important for certain proteins such as enzymes, as it allows them to bind to their substrates more effectively.

    In summary, secondary protein structures are an important part of the structure and function of proteins. Alpha helices and beta pleated sheets are the two most common types of secondary structures, which are held in place by hydrogen bonds. They are also important for tertiary and quaternary structures, which help the protein interact with other molecules and protect it from denaturation.