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1 it is the series of coupled oxidationreduction reactions where the electrons are passed like hot potatoes from one membrane-bound proteinenzyme to
chlorophyll is the pigment in the green plants which absorbs solar energy chlorophyll a - it is a green photosynthetic pigment common to all
electron acceptor is a molecule which forms the part of the electron transport system which transfers electrons ejected by chlorophyll during the
double fertilization it carries two sperm cells to the female a characteristic of angiosperms in which the pollen tube gametophyte in the ovule
digestive system is one of eleven major body organ systems in animals it converts food from the external environment into the nutrient molecules
dinoflagellates are single-celled to colonial protistans characterized by the two flagella one girdling cell and the other trailing the cell some of
dictyosomes are produced on the organelles in the plant cells composed of the series of flattened membrane sacs which sort chemically modify and
diabetes mellitus types i and ii is a disorder regarding the defects in insulin action type i diabetes is characterized by an inadequate insulin
devonian is the period of geologic time from 410 - 360 million years before the present life on land diversified with amphibians appearing late in
the cranial nerves are composed of twelve pairs of nerves which emanate from the nervous tissue of brain in order to reach their targets they should
countercurrent flow is the arrangement by which fish get oxygen from the water which flows by the help of their gills the water flows across the
convergent evolution is the development of the similar type of structures in distantly related organisms as a result of adapting to similar
compound leaf is the leaf in which the blade forms small leaflets compound leaves which have several small leaflets originating from the central axis
1 the level of organization intermediate between unicellular and the multicellular - organisms are composed of multiple cells but these fail to
cohesion-adhesion theory describes the properties of water which help move it through the plant cohesion is the property of water molecules to stick
circulatory system one of the eleven major body organ systems in animals carbon dioxide nutrients transports oxygen and waste products between the
cellulose is a polysaccharide which is composed of the unbranched chains of glucose the major structural carbohydrate of the plants insoluble in
cellular respiration is the transfer of energy from various molecules to produce atp takes place in the mitochondria of the eukaryotes the cytoplasm
cell theory is one of the four or five unifying concepts in the biology the cell theory states that all the living things are composed of at least
cell plate in the plants a membrane-bound space produced during the process of cytokinesis by the vesicles of the golgi apparatus the cell plate
cell-mediated immunity the immune reaction directed against the body cells which have been infected by viruses and bacteria and are controlled by
cells are the smallest structural units of the living matter and is capable of functioning
catastrophism once-popular belief which events in the history of earth had occurred in the past a sudden events and by processes different from those
calvin cycle the aka calvin-benson cycle or the carbon fixation is the series of biochemical enzyme-mediated reactions during which the atmospheric
blastocyst is the developmental stage of fertilized ovum by the time it is prepared to implant formed from morula and comprises of an internal cavity