under the control. Therefore, all animals are important to our environment and if one of the species goesis going to extinct, then the whole natural ecosystem will be disheveled. It will affect humans as well because we are a part of wildlife. Animals and plants benefit us just by being there. These benefits, whichthat are called "ecosystem services", which most of us take for granted. Some of these services are obvious; fFor instance, there are the plants and animals that we eat. Meanwhile, photosynthetic plankton in the sea and green plants, provide us with the oxygen we breathe. If those things disappear humans will lose physical goods in their life. From a lot of different animal species that are in a danger of extinction we, humans, get the medicine that cures will cure our sicknesses. The use of animal parts in traditional medicine can also contribute to a species' decline, despite there being no real evidence of the efficacy of these treatments. The
6. (a) (i) award both marks for correct answer 10 000 / 800 000 (× 100); 1.25 / 1.3 / 1(%); 2 (ii) R any reference to energy / light missing the plant reflected (off plant) / only certain wavelengths of light can be, absorbed / used; ora absorbed by / hits, non-photosynthetic parts; e.g. bark passes through leaf / misses chlorophyll / misses chloroplasts; some is heat that is used in evaporation / respiration; max 2 (iii) bacteria / named bacterium decomposer; (Nitrobacter, Nitrosomonas) 1 (iv) take the first 2 answers: death / dead remains; excretion; R waste products egestion;
moodustumist.) Vastupidiselt ortofosfaadi kõrge c tsütosoolis, tärklise süntees kloroplastis on inhibeeritud, trioosfosfaadi eksport tsütosooli, tehakse saahharoos. Sahharoosi tekkel on fruktoos-1,6-bifosfaadist vaja saada fruktoos- 6-fosfaat. Selleks on vaja fosfofruktokinaasi, mille aktiivsus on aga ATP, ADP, AMP konsentratsioonidest sõltuv. in leaves, the rate of sucrose synthesis is tightly co-ordinated with the rates of photosynthetic carbon dioxide fixation and starch synthesis in the chloroplasts. 86. Miks keskpäeval toimub fotosünteesivates rakkudes ümberlülitus sahharoosi sünteesilt tärklise sünteesile Tärklise süntees vajab ATP-d ja selle ahela tähtsaim ensüüm ADP glükoosi pürofosforülaas on allosteeriliselt aktiveeritav PGA, F6P ja trioosfosfaatide poolt. Plants produce starch by first converting glucose 1-phosphate to ADP-glucose using the enzyme glucose-1-phosphate
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