StudentShare
Contact Us
Sign In / Sign Up for FREE
Search
Go to advanced search...
Free

Protein - Essay Example

Comments (1) Cite this document
Summary
Like glutamine, alanine is a very important resultant of amino acid degradation that is used in the body. Alanine is the product of transamination of pyruvate that…
Download full paperFile format: .doc, available for editing
GRAB THE BEST PAPER97.5% of users find it useful
Protein
Read TextPreview

Extract of sample "Protein"

Protein Q Describe the alanine-glucose cycle. The alanine-glucose cycle is responsible for the exchange of alanine molecule between skeletal muscles and liver. Like glutamine, alanine is a very important resultant of amino acid degradation that is used in the body. Alanine is the product of transamination of pyruvate that happens in the muscles. From the muscles, the alanine is absorbed in the liver where the process of transamination occurs. The process occurs in the presence of alpha-ketoglutarate. This cycle generates pyruvate which enters the gluconeogenesis cycle and glutamate which enters the urea cycle. The enzyme which is required for these processes to occur is alanine amino transferase.
Q 2. List as many protein functions as you can recall.
Proteins have various functions. They are broken down to amino acids which then provide energy to the body. Thus they serve as an energy source. They also form various enzymes, blood transporters and plasma proteins that perform the function of transport and help to control water balance. Proteins are also an integral part of clotting factors. Muscle proteins are also very important as they bring about contractions. Hormones such as insulin and glucagon are also made of proteins. Elastin and collagen which are integral parts of connective tissues are also made up of proteins.
Q 3. How small must protein be in order to be absorbed and transported?
Compared to the digestion and absorption of other nutrients, the digestion and absorption of proteins is complex as various enzymes are involved in manufacturing of the end-products of proteins. Stomach is the major part of the gastrointestinal tract where protein digestion occurs. Acidity of the stomach allows activation of pepsin and denaturing of proteins which involves uncoiling. Further digestion occurs in the small intestine in the presence of proteolytic enzymes which form amino acids. Absorbed form of proteins are amino acids.
Q 4. What are detrimental effects of consuming too many amino acid supplements?
The main harmful effect of amino acid supplementation is that it may hinder and decrease the absorption of other amino acids which may lead to an amino acid imbalance. This defect may occur because amino acids share absorption transport systems. Hence, it is advised that individual amino acid supplements should be avoided.
Q 5. Why would it be useful to know information about nitrogen balance?
Nitrogen balance is a standard which has been set to understand the excess or deficiency of proteins in the diet. The nitrogen balance keeps the amount of protein consumed and lost in balance. If the balance is disturbed, the person is said to have lost nitrogen equilibrium. Nitrogen balance is necessary to understand if the body is growing properly or not.
Q 6. What are some health consequences of protein under-nutrition?
Protein under-nutrition is also referred to as protein-energy malnutrition. Two most common consequences that may occur are Kwashiorkor and Marasmus. Kwashiorkor is a resultant of lack of dietary proteins. The patient presents with edema, depigmented skin, fatty liver and patient has some body fat. On the other hand, marasmus also occurs due to low proteins in the diet along with other nutrients. Undernourished females may give birth to mentally and physically ill infants.
Q 7. Where does urea cycle occur in the cell?
Urea cycle is a process that converts ammonia, carbon dioxide and nitrogen into urea. The cycle consists of five reactions. Out of the five reactions two take place in the mitochondria whereas the rest take place in the cytoplasm of the cell. Read More
Cite this document
  • APA
  • MLA
  • CHICAGO
(“Protein Essay Example | Topics and Well Written Essays - 500 words”, n.d.)
Protein Essay Example | Topics and Well Written Essays - 500 words. Retrieved from https://studentshare.org/medical-science/1660039-protein
(Protein Essay Example | Topics and Well Written Essays - 500 Words)
Protein Essay Example | Topics and Well Written Essays - 500 Words. https://studentshare.org/medical-science/1660039-protein.
“Protein Essay Example | Topics and Well Written Essays - 500 Words”, n.d. https://studentshare.org/medical-science/1660039-protein.
  • Cited: 0 times
Comments (1)
Click to create a comment or rate a document
th
thielmatilde added comment 1 year ago
Student rated this paper as
Brilliant paper! Used it to complete an assignment for a medical science course. It was easy as ABC, for the first time in my life.

CHECK THESE SAMPLES OF Protein

The Depression of the 1930s

4 Pages(1000 words)Essay

Protein Quantitation

...? Bradford Protein Concentration Assay The measurement of protein concentrations in aqueous samples is an important assay in biochemistry research and development laboratories for applications such as enzymatic studies and also in providing data for biopharmaceutical lot release. Bradford assays are among the methods used to determine the concentration of protein, relative to a standard. This technique is based on the formation of a complex between the dye, Brilliant Blue G and proteins in solution. The complex being formed causes a shift in the absorption peak from 465nm to 595nm. The following is a report on an experiment conducted to determine protein...
5 Pages(1250 words)Lab Report

Protein Families

...Literature Review Analysing Protein Families with Bioinformatics Programs to Highlight the Importance of Structural and Functional Evolutionary Restraints Literature Review: This thesis deals with the analysis of protein families using bioinformatics programs such as Crescendo/CHARMM/Amber etc. The general protein analysis involves Development of methods to predict structure and function of proteins Studying both the structural and functional components of protein sequences Clustering protein sequences and categorising them with related sequences to develop protein models Grouping similar...
16 Pages(4000 words)Coursework

Protein Concentration

...DETERMINATION OF PROTEIN CONCENTRATION INTRODUCTION Proteins and their structure Proteins are large organic compounds built from 20 different amino acids. A protein will contain in the range of 50-2000 amino acid residues joined together by a chemical reaction that results in the formation of a peptide link and the release of a molecule of water. With respect to their structure, biochemists often refer to four different aspects: Primary structure, this is, the amino acid sequence (fig. 1) Secondary structure, local interactions held together by hydrogen bonds between the lone pair of electrons of an oxygen atom and the hydrogen attached to a nitrogen atom. The two most...
4 Pages(1000 words)Lab Report

Protein

...Intro: It seems most people today are overly concerned about how they look, how much they weight, and especially about what they eat. Almost overnight American has become one of the most obese nations, and now everybody is scrambling to keep tabs on their diets and exercise. People try fad diets here and there, but the key to living healthy isn’t always that simple. In order to stay healthy you need to make sure your body’s basic biological needs are being met, and being met well. One important part of the nutrient puzzle, and also meets some of your body’s biological needs is proteins. Proteins are important biological molecules for you and your body’s health, and help keep your body working the way it...
5 Pages(1250 words)Essay

Protein

...Report Layout Summary Introduction Materials and Methods Results Discussion Future analysis Conclusion References Page No. 3 4 13 16 18 18 19 20 Purification of bovine lactoferricin from cow’s milk Summary Bovine lactoferrin from cow’s milk was hydrolysed using porcine pepsin. The peptic digest was subjected to chromatography on the weak cation-exchange resin, Macro-prep CM. Two protein fractions F1 and F2 corresponding to two eluate peaks were collected using 10% acetic acid as the eluent. The fractions, after neutralization, were subjected to freeze...
25 Pages(6250 words)Research Paper

Caveolin protein

...ID Number & Caveolin Protein As a good example of scaffolding protein, the caveolin is considered as the principal marker of the caveolae (Gussak and Antezelevitch 234). Since the caveolin serve as the caveolae coat protein, the caveolin is considered as a major element of the caveolae which represents as the foundation of the lipid rafts (Jasmin, Frank and Lisanti 6). Commonly found in the caveolae, caveolins play a significant role in the process of receptor-independent endocytosis (Williams and Lisanti; Tang, Scherer and Okamoto; Jasmin, Frank and Lisanti 6). Caveolin has a total of three (3) variants known as the caveloin-1 (CAV-1), caveolin-2 (CAV-2), and caveolin-3 (CAV-3) (Gussak...
1 Pages(250 words)Essay

Protein Quantification

...PROTEIN QUANTIFICATION By: Presented BCA assay method: Reagents: BCA reagent Solutions: Solution A g sodium bicinchoninate (BCA) 2 g sodium carbonate 0.16 g sodium tartrate 0.4 g NaOH 0.95 g sodium bicarbonate up to 100 ml with purified water pH adjusted to11.25 with 10 M NaOH Solution B: 0.4 g cupric sulphate pentahydrate in 10 ml purified water. BCA reagent: 100 volumes of solution A to 2 volumes Procedure: Required: The Protein standard solutions D,E,F,G and H, 18 microcentrifuge tubes, blank(water), three unknown protein concentrations X, Y and Z, floating rack. The assays are carried out in test tubes in duplicates and duplicate reagent blanks containing water instead of protein is ran. The microcentrifuge tubes are labeled... ...
11 Pages(2750 words)Lab Report

Its Not About Me

1 Pages(250 words)Essay

Protein Research

...Protein Research Protein Research Proteins are complex molecules in the body that perform many vital operations in the body cells. Proteins are made up of micro-amino acids that are required by the body cells for structural formation, functioning and regulation of body tissues and organs( Whitford,2005). Every protein in the body has a unique role ranging from structural support and defense to bodily movement. Proteins are classified according to their body function (Whitford, 2005). Antibodies are specialized proteins that protect the body from foreign invaders in the blood stream, and they protect the body against...
2 Pages(500 words)Essay
sponsored ads
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.

Let us find you another Essay on topic Protein for FREE!

Contact Us