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- rozaini
- Kolej Sultan Abdul Hamid Alor Setar, Kedah, Malaysia
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An ecosystem is a community of living organisms interacting with one another and with non-living organisms. A habitat is the natural envi... -
Paper 1 (4551/1) - Objective questions - Multiple choice - Each item consists of four choices of answers; A, B, C and D - 50 questions (...
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Many F1 students ask for the Science revision exercise so that they can prepare well for the coming final exam. Here are all the Science Re...
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A gene is a part of the DNA . Alleles on the other hand refer to different versions of the same gene. There are other more subtle di... -
A mature vascular plant, e.g., a tobacco plant, contains several differentiated cell types. These are grouped together in tissues. Some tiss... -
All living organisms respire. They need to do this so that energy can be transformed into a form that cells can use. In aerobic respiration,... -
One of the most important aspects of the mammalian kidney is its ability to adjust both the volume and osmolarity of urine, depending on the... -
Each organ of the mammalian digestive system has specialised food–processing functions. The general principles of food processing are simi... -
Each organ of the mammalian digestive system has specialised food–processing functions. The general principles of food processing are simi...
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