What are the elements of protein? Classification for protein: LBV and HBV. What is the energy value of protein? Explain essential and non-essential amino acids. Provide examples of... What are the elements of protein? Classification for protein: LBV and HBV. What is the energy value of protein? Explain essential and non-essential amino acids. Provide examples of essential and non-essential amino acids and protein sources.
Understand the Problem
The question pertains to the classification and characteristics of proteins, specifically focusing on their structure, types, and examples of sources. It outlines the basic definitions and classifications, including essential and non-essential amino acids.
Answer
Proteins: Carbon, hydrogen, oxygen, nitrogen. HBV and LBV. 4 cal/gram. Essential amino acids: valine, lysine. Non-essential: serine, cysteine. HBV: eggs, milk. LBV: beans, peas.
Proteins are composed of carbon, hydrogen, oxygen, and nitrogen. They can be classified as high biological value (HBV) or low biological value (LBV) based on amino acid content. The energy value of protein is 4 calories per gram. Essential amino acids cannot be made by the body, while non-essential amino acids can. Examples of essential amino acids include valine, lysine, and leucine. Non-essential amino acids include serine and cysteine. HBV proteins, like eggs and milk, contain all essential amino acids, while LBV proteins, like beans and peas, lack some.
Answer for screen readers
Proteins are composed of carbon, hydrogen, oxygen, and nitrogen. They can be classified as high biological value (HBV) or low biological value (LBV) based on amino acid content. The energy value of protein is 4 calories per gram. Essential amino acids cannot be made by the body, while non-essential amino acids can. Examples of essential amino acids include valine, lysine, and leucine. Non-essential amino acids include serine and cysteine. HBV proteins, like eggs and milk, contain all essential amino acids, while LBV proteins, like beans and peas, lack some.
More Information
Essential amino acids are crucial for body functions and must be obtained through diet. In contrast, non-essential amino acids can be synthesized by the body. Examples of HBV protein sources are animal-based, while LBV sources are primarily plant-based.
Tips
A common mistake is confusing HBV and LBV proteins. Remember, HBV proteins have all essential amino acids, while LBV proteins do not.
Sources
- High and Low Biological Value Protein Foods | Eufic - eufic.org
- Amino acids: MedlinePlus Medical Encyclopedia - medlineplus.gov
- Protein - Better Health Channel - betterhealth.vic.gov.au
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