More yeast gives more foam while the use of too many different types of sugars gives less foam.
Fermentation:
It is the process by which organisms break down glucose (sugars) to produce energy in the absence of the oxygen. During the fermentation, many types of by-products are formed such as alcohol, carbon dioxide, and acids.
In fermentation, the bubbles or gases, are produced by yeasts.
- Here, if the amount of yeast is increased then the number of bubbles or foam will also increase.
- If too many different types of sugars are used the number of bubbles or gases will decrease because yeast can only digest a certain type of sugars only.
Therefore, more yeast gives more foam while the use of too many different types of sugars gives less foam.
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Lysine
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lysine residues on the histone tails of the octamer cn be activated by both acetylation and methylation patterns to influence accessibility or silencing of the genes respectiviely. for example, acetylation of H3K27 (histone 3 lysine residue 27) brings about a region of active chromatin allowing access to transcription activity while its trimethylation will cause silencing of the associated gene at that particular area (no expression of that gene)
B,Because Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It most commonly occurs during winter months.