UNIVERSITY OF MALAWI BUNDA COLLEGE FEEDS AND FEEDING (ANS 321) 2012 LECTURE NOTES. Raphael Woyera Banda (AGR/09/14)‚ Bunda College‚ P.O Box 219‚ Lilongwe. FEEDS AND FEEDING (ANS–321) - 2012. Animals are kept for a purpose and must benefit the one keeping them. The benefit may be; - The animal itself (draft‚ entertainment and prestige) or - The products from the animals for instance milk‚ meat or hides. Animal husbandly involves; - Animal health‚ - Animal breeding
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of the isomerase domain from a spliceosome-correlated cyclophilin‚ PPWD1 which is known as peptidylprolyl isomerase domain and WD repeat containing 1 or peptidylprolyl isomerase containing WD40 repeat‚ has been solved to 1.65 A ˚. PPWD1 acts as a protein-coding gene and its related pathways are mRNA splicing. An important paralog of this gene is PPIL2. This polypeptide encodes an N-terminal WD40 repeat domain as well as a C-terminal domain homologous to Cyps. PPWD1 was previously
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PROTEINS AND NUCLEIC ACIDS 28/11/13 Qn. Which two of the four macromolecules do you believe to be the most important for life? Give evidence to support your suggestion (include a full description of the macromolecules you describe both in terms of structure and function) Introduction All the four macromolecules=lipids‚ proteins‚ carbohydrates and nucleic acids= are essential for the functioning of an organism ’s body (Campbell‚ biology). They work hand in hand to help us survive. For example
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sequence of amino acids in the polypeptide chain Alpha helix The overall 3-D shape of a polypeptide or protein The way several different polypeptide chains fit together to form the final protein Ala-gly-tyr-lys-met-trp-phe Beta-pleated sheet Results from the bending and folding of a polypeptide chain that occurs due to a variety of interactions b/w the amino acid side chains Only found in proteins composed of more than one polypeptide chain Results from hydrogen bonds b/w polar groups in the polypeptide
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Biology II Step 1: How will you identify the “vital” cellular protein that the virus targets for degradation? (Hint: think proteomics). (3 pts.) First‚ since we know the viral RNA sequence and its targeting protein‚ we can investigate it in bioinformatics database‚ and can acquire some clues or hints about the target proteins. From the bioinformatics database‚ we might be able to find its structure‚ similarity with other proteins‚ functions‚ and binding domains. In other words‚ we can get some
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1. PROTEIN is composed of amino acids. It is required to synthesize and repair muscle and other tissues and maintain fluid and acid-base balance in the body. Proteins also function as enzymes‚ hormones‚ and transporters. If necessary‚ the body uses protein to meet energy needs (4 kcals per gram). Excess kcals from protein are stored as body fat. If you consumed 60 grams of protein in a day‚ how many kcals would this convert to? (Choose your answer and delete the rest). (1 point) b)
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Mitochondria - Take in glucose via proteins that pass the plasma membrane and after it journey through the cytoskeleton to the mitochondria inside the cytoplasm. Endoplasmic Reticulum - Both ER types are covered in making essential cellular segments. For the most part in charge of the combination and handling of proteins that are either emitted from the cell or that end up stuck in the plasma film. The lipids made in the SER are joined with phosphorous to make phospholipids‚ the most inexhaustible
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complete): • 20‚000-28‚000 genes in the human genome o The genome was found using a shotgun sequence. o 10% of the genome is Long Intersperse Nuclear Elements (=LINEs). This leaves the questions as to which part of the genome are LINEs? 80‚000-120‚000 proteins in a cell. 200‚000-2‚000‚000 peptides in a cell. o Ex: Insulin A paper looked at 30% of the genome at 5 nucleotide resolutions and found: In terms of transcripts (mRNA) may not have a poly-A tail. 43.7% of transcripts never had a poly-A tail
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called the perinuclear space. The nucleus contains the cell’s DNA. This complex molecule carries the information‚ which the cell needs to divide and carry out all its cellular processes. Inside eukaryotic cells‚ the DNA is associated with histone proteins‚ and is called chromatin. When the DNA is transcribed into RNA the structure of the chromatin changes to allow the RNA polymerase enzyme to access the DNA strand. When the cell divides to form new cells‚ the chromosomes coil up more tightly than
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The different cell membrane transport mechanisms The cell membrane is referred to as a ‘fluid mosaic model’ because the protein part within the cell membrane used to be though of as an even layer spread over the outside and the inside of the phospholipid. Now we are starting to think that it is spread unevenly‚ more like a mosaic than a layer. The phospholipid part of the cell membrane is fluid; this means that its molecules are constantly moving about. Through the molecules constantly moving
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