What are the four roles of proteins

What are the four roles that proteins can play in a living things…?

http://wiki.answers.com/Q/What+are+four+roles+that+proteins+play+in+livig+things

･ Proteins help to carry out chemical reaction. ･ Proteins pump small molecules in and out of cells. ･ Proteins are responsible for the ability of cells to move. ･ Proteins are source of raw materials and cell’s energy.

Related Questions Answered on Y!Answers

a. how are monomers are used to build polymers.List the four major classes of macromolecules.?

Q: Compare condensation and hydrolysis.Explain how organic polymers contribute to biological diversity.Carbohydrates: Fuel and Building MaterialDescribe the distinguishing characteristics of carbohydrates and explain how they are classified.Distinguish between monosaccharides and disaccharides.Identify a glycosidic linkage and describe how it is formed.Describe the structure and functions of polysaccharides.Distinguish between the glycosidic linkages found in starch and cellulose and explain why the difference is biologically important.Lipids: Diverse Hydrophobic MoleculesExplain what distinguishes lipids from other major classes of macromolecules.Describe the unique properties, building-block molecules, and biological importance of the three important groups of lipids: fats, phospholipids, and steroids.Identify an ester linkage and describe how it is formed.Distinguish between a saturated and an unsaturated fat and list some unique emergent properties that are a consequence of these structural differences.Proteins: Many Structures, Many FunctionsDescribe the characteristics that distinguish proteins from the other major classes of macromolecules and explain the biologically important functions of this group.Science as a ProcessList and describe the four major components of an amino acid. Explain how amino acids may be grouped according to the physical and chemical properties of the side chains.Identify a peptide bond and explain how it is formed.Distinguish between a polypeptide and a protein.Explain what determines protein conformation and why it is important.Define primary structure and describe how it may be deduced in the laboratory.Describe the two types of secondary protein structure. Explain the role of hydrogen bonds in maintaining the structure.Explain how weak interactions and disulfide bridges contribute to tertiary protein structure.Using collagen and hemoglobin as examples, describe quaternary protein structure.Define denaturation and explain how proteins may be denatured.Nucleic Acids: Informational PolymersDescribe the characteristics that distinguish nucleic acids from the other major groups of macromolecules.Summarize the functions of nucleic acids.List the major components of a nucleotide, and describe how these monomers are linked to form a nucleic acid.Distinguish between a pyrimidine and a purine.Briefly describe the three-dimensional structure of DNA.Explain how the structure of DNA and proteins can be used to document the hereditary background of an organism.

A: http://library.med.utah.edu/NetBiochem/macromol.htmThis should answer most of your questions.

Can you help me with food science? preferably about proteins?

Q: if you have nothing good to say then dont but if you have an answer please answer. i posted this so i could possibly finish two packets that i have today. on proteins i have questions like:3) what elements make up protein molecules?9) what is a foam?10) explain what gluten is.11) What is an egg white usually called?12) list the nutrients found in egg yolk.13) Describe the physical changes that occur in eggs during storage.14) when should sugar be added to an egg foam?15) identify a substance that can be added to poached eggs to help the cooked eggs have a uni-formal shape.16)name 2 types of proteins that control body processes.17) what purpose do proteins serve because they are amphoteric?18) name at least four essential amino acids.19)what is the difference between complete and incomplete proteins?20) on what does a person’s Recommended Dietary Allowance of protein dpend?1)What large molecules contain many atoms?2) An example of complex biological systems…3) what is the bond between 2 amino acids in a protein molecule?4)a chemical process that changes the structure of protein molecules without breaking the covalent bonds..5)the process of changing a protein into a semisolid clot or solid mass..6) One kind of lein muscle protein..7) A form of protein that helps the body fight disease..8)This group is found in amino acids..9)A protein connective tissue..10)a. proteins that act as chemical messengers..b. A protein found in the blood..11) meringue and whipped cream are examples of these..12) what are Ropelike structures that keep the egg yolk centered.13) what is Able to react as an acid or a base14) what is the main protein present in egg whites?15) the kind of acids that are the building blocks of proteins..16) proteins which control chemical activity in the body are..17) One cause of protein denaturation…18) proteins that do not contain all the essential amino acids are..19) protein can be denatured by a change in this..1)why do ppl of any age need protein?2)name three places your body constantly needs new cells?3)how often are blood cells replaced?4) wat types of proteins control body processes?5)y does ur body need food proteins?6) what r antibodies?7)wat is the role of lipoproteins?8)name 2 situations in which protein can be used for energy?9) y is it important that protein are amphoteric?10) list 5 foods high in protein.

A: Holy shoot kid ,Don’t they have a textbook for this class ?Lemme get a couple of these out of the way for you19) protein can be denatured by a change in this..>Heat and/or acids which is why egg whites always have some cream of tartar[an acid] added to them during the whipping process9)A protein connective tissue..>Two actually :elastin & collagen12) what are Rope like structures that keep the egg yolk centered.>Chalazae14) what is the main protein present in egg >>Albumin5)the process of changing a protein into a semisolid clot or solid mass>Denaturing >A properly poached egg is a classic example of heat and acid making a protein a solid10) explain what gluten is.I saved thus one for last b/c it’s gonna be a long answerFor culinary purposes you can truthfully say that flour does not contain glutenPlease leave this Q open and I’ll write the 3-5 gluten paragraphs abit later

Four biology questions…?

Q: 1. what 2 roles do microtubules play in cells?2. What organelle functions as the cell’s protein manufacturing center?? idk3. What is the best laboratory technique to use to learn more about the structure of proteins that form channels across the plasma membrane?4. what is the function of cytoplasmic streaming and when would it be most useful?THANKS SO MUCH AGAIN!!:-* KISSES

A: 1.Part of the cytoskeleton, help with cell structure and help in some cellular processes including mitosis, cytokinesis, and vesicular transport.2.the ER transport proteins. ribosomes make the proteins, Golgli body delivers the proteins to the right organelle in the cell 3. a powerful microscope, staining liquid, other “seeing” techniques. the structure of channel proteins in the cells membrane let substances into and out of the cell that are two large to flow freely into the cell.4.Cytoplasmic streaming is what amoeba’s use for locomotion by “streaming there cytoplasm in there membrane. and the flowing of the cytoplasm in eukaryotic cells.