Biology for the IB Diploma Coursebook by Brenda Walpole, Ashby Merson-Davies, Leighton Dann, Peter

By Brenda Walpole, Ashby Merson-Davies, Leighton Dann, Peter Hoeben, Mark Headlee

A brand new name that gives an in-depth research of all subject matters lined within the IB syllabus, getting ready scholars with the talents had to achieve the exam. Biology for the IB degree is a finished new ebook written by means of an skilled writer staff. The textual content bargains an in-depth research of all issues coated within the IB syllabus, getting ready scholars with the talents had to achieve the exam. hyperlinks to idea of data issues are incorporated. positive aspects contain: truly said studying pursuits in the beginning of every part; speedy questions all through every one bankruptcy; available language for college kids in any respect degrees; exam-style questions; and a word list and index. The accompanying CD-ROM comprises 8 chapters masking the syllabus techniques, pattern exam papers and version solutions.

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Hydrolysis of a triglyceride (a lipid) uses water and produces fatty acids and glycerol molecules. Lipids Molecule Approximate energy content per gram / kJ carbohydrate 17 lipid 39 protein 18 Lipids are used as energy storage molecules in plants and animals. Triglyceride lipids that are solid are generally referred to as fats, while in liquid form triglycerides are known as oils. Animals store energy as fat whereas plants store oils – for example, linseed oil and olive oil. Lipid contains about twice as much energy per gram as carbohydrate but each type of storage molecule has its own advantages.

It also means an organism casn repair injured tissue by replacing damaged cells, and make new cells to replace old ones. Many organisms reproduce themselves using mitosis. One example is binary fission in unicellular Amoeba, and budding in yeast is another. Reproducing in this way is known as asexual reproduction as no gametes are involved and the offspring are genetically identical to the parent. Asexual reproduction is very common in the plant kingdom. For example, strawberry plants produce runners that develop into genetically identical new plants, and bulbs like lilies produce miniature bulbils that grow into mature plants genetically the same as the parent.

G. enzyme Golgi Golgi apparatus apparatus Phagocytosis Phagocytosis of a bacterium of aofbacterium by a white by abywhite blood blood cellblood – cell an cell example – an– example of endocytosis. of endocytosis. Exocytosis Exocytosis inina asecretory insecretory a secretory cell. Ifcell. Ifthe the product theGolgi Golgi often often involved involved in chemically in chemically modifying modifying the modifying protein the protein before it is secreted, it is secreted, as endocytosis. apparatus is often involved in chemically thebefore protein before it in as in the the secretion of enzymes enzymes by thebypancreas.

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