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Sugar and proteins are fundamentally different types of molecules. Sugars (more properly carbohydrates) are either monomers or polymers of ring-shaped molecules (monosaccarides) consisting of carbon, hydrogen, and oxygen with a ratio of roughly 1:2:1. Proteins are polymers composed of long chains of amino acids.

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How much protein does tampico have?

Tampico is a fruit-flavored drink, typically made with water, sugar, and fruit juices. It does not contain a significant amount of protein as it is mainly a source of carbohydrates from the added sugar and fruit juice.


What are special structures in the cell membrane that allows material such as water and sugar to pass through made of?

PROTEIN!!!!!!!!!!!!!!!!!!!!!!!!!


Is there more protein than sugar in semen?

Yes, semen is high in protein and low in sugar. It primarily contains proteins such as albumin, enzymes, and fructose, which provides energy for sperm.


Why might it be advantageous to add a preassembled block of 14 sugar residues to a protein in the ER rather than building the sugar chains step-by-step on the surface of the protein by the sequential?

The preassembled sugar chain allows better quality control. The assembled oligosaccharide chains can be checked for accuracy before they are added to the protein; if a mistake were made in adding sugars individually to the protein, the whole protein would have to be discarded. Because far more energy is used in building a protein than in building a short oligosaccharide chain, this is a much more economical strategy. This difficulty becomes apparent as the protein moves to the cell surface: although sugar chains are continually modified by enzymes in various compartments of the secretory pathway, these modifications are often incomplete and result in considerable heterogeneity of the glycoproteins that leave the cell. This heterogeneity is largely due to the restricted access that the enzymes have to the sugar trees attached to the surface of proteins. The heterogeneity also explains why glycoproteins are more difficult to study and purify than nonglycosylated proteins.


How did the addition of sugar affect the stability of the foam?

The addition of sugar to a foam can enhance its stability by increasing the viscosity of the liquid phase, which helps to hold air bubbles in place. Sugar also strengthens the protein structure within the foam, creating a more rigid network that can better support the bubbles. However, excessive sugar can lead to a decrease in stability if it causes the foam to become overly dense or if it interferes with the protein’s ability to form a stable matrix. Overall, a balanced amount of sugar can improve foam stability while too much can have the opposite effect.