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Protein is the life source for all of us and is a vital macronutrient to have within your diet regardless if you are seeking to build muscle or not. Macronutrient is the term for the three larger nutrients you should be consuming within your diet to keep your body healthy and strong, and aside from protein the other two are carbohydrates and dietary fats.

* Growth and reconstructions of new cells and tissues as energy is necessary to supply biochemical reaction that then is building larger organic molecules

a. Proteins- macromolecules made of amino acids. Proteins have many functions in the body. Some sources of proteins are whole-grain cereals, dark breads,rice, beans, and meat.

2. Nutrients that cannot be synthesized by humans, like some amino acids, are called ______essential___ nutrients.

Methionine and cysteine are both sulphur containing amino acids. Most proteins will contain one, or both of them at some point in the polypeptide chain. As such, many amino acids contain sulphur in some form, which is required in small amounts in the mammalian diet.

Amino Acids are essential nutrients that are the primary building blocks of proteins found in meat, dairy products, and legumes. Proteins make up 20 percent of the human body, and the amino acids that make up these proteins play a critical

Proteins are important as they help build muscles and help the body repair itself. Without protein we would probably be very weak. One way proteins help our body helps our bodies is that enzymes act as catalyst for chemical reactions in our bodies. This helps the body perform more efficiently. Antibodies are also proteins. These proteins help the body defend against infection. Proteins also act transport. They help bind atoms and molecules and transmit them throughout cells and the body. Proteins provide many uses to our body and are therefore important. We need

Cholesterol is a waxy, fat like product found in cells throughout your body. It helps in building hormones like estrogen, progesterone, testosterone, and in the production of cortisol, the stress hormone. Cholesterol also helps the body in the absorption of vitamins A, D, K, and E. Although your body produces some cholesterol, it is found in many of the foods you eat.

Vitamins are primarily classified by solubility. Some vitamins are soluble in water and others are soluble in fat. “According to The National Institute of Health, the body needs 13 vitamins for normal health.” This includes vitamins A, C, D, E, K and the B complex vitamins, thiamine, riboflavin, niacin, pantothenic acid, biotin, B6, B12 and folate. Each of these vitamins provides a variety of functions to the body which can be obtained from a well balanced diet (Farris, 2012).

· When the circular muscle contracts it is a dominant force that produces a peristaltic wave, which travels across the esophagus when someone swallows. Comparison Similarities Some similarities include: · Both the circular muscles and the longitudinal muscles take part in peristalsis. · The longitudinal muscle layer and the circular muscle layer both contract during

Methionine and cysteine are both sulphur containing amino acids. Most proteins will contain one, or both of them at some point in the polypeptide chain. As such, many amino acids contain sulphur in some form, which is required in small amounts in the mammalian diet.

Carbohydrate is a nutrient essential for energy production and the prevention of ketosis, a state where the production of ketones exceeds metabolism. Protein is a nutrient essential for its components, amino acids. Fat is a nutrient which provides insulation, protection and energy for the body.

There are several amino acids that our body needs. However, our body cannot produce all of these. For example, Tryptophan is something that our body requires but cannot produce. Therefore, we have to get it through the food we eat. What is Tryptophan? Tryptophan is an essential amino acid that we need for the production of serotonin, and melatonin. Melatonin is mostly responsible for regulating our sleep cycle. On the other hand, serotonin is responsible in transmitting nerve impulses from the brain and in regulating the mood. Therefore, Tryptophan is very important for our body. In addition, there are many foods that contain tryptophan. For example, turkey, milk, chicken, soy milk, yogurt, brown rice, eggs, and cheese. After eating these,

The macronutrients (excluding fiber and water) provide structural material (amino acids from which proteins are built, and lipids from which cell membranes and some signaling molecules are built) and energy. Some of the structural material can be used to generate

Amino acid can be found in food we eat every day for example it can be found in meat and dairy. It is extremely common in meat such as pork,beef and chicken. It is also common in dairy products such as eggs,milk,yogurt and cheese. Both meat and dairy contain protein as amino acid is one of the key components that make up protein. Protein is made up of hundreds of small compounds, one of which is amino acids. They all attach into long chain by something called peptide bonds and all of these long chains join together and form protein which is in the foods we eat and is an essential compound in the body.