Biology notes form 2. BIOLOGY Form 2 Topic 3 ~ Darasa Huru Kwa Wote 2018-07-10

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form2 biology

biology notes form 2

The basidia are arranged in fruiting bodies called basidiocarps. The sequence of bases determines genetic information. It does have additional structures, including a rigid cell wall, central vacuole, plasmodesmata, and chloroplasts. Gum Exudate from acacia Used in food processing and printing industry. B Roles of renin Renin converts the insoluble forms of milk protein into soluble form of milk protein. Natural environment is made up of all living and non living things that occur naturally on earth. If in excess, glucose is converted to fats and stored under the skin.

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revision notes biology form 2

biology notes form 2

Example harvestedyams, potatoes and cassava can be stored in large pits in the ground after drying. These were found to be smaller than bacteria because they passed through bacteria-proof filters. Proteins are used for body building and repair. This phenomenon is called alternation of generation. The relative scale of biological organisms as well as the useful range of several different detection devices are illustrated in Figure 1. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.

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Biology Form1 Notes

biology notes form 2

Only cooked starch starts its digestion in the mouth. Allergic reactions can be controlled by avoiding the allergen and administration of anti-histamine drugs. Freezing involves storingfood at very low temperatures in order to stop the growth of microorganisms. It is caused by erosion of stomachwall due to enzyme reactions. If the donor's blood and the recipient's blood are not compatible, agglutination occurs whereby red blood cells clump together. Nice to Meet you I would appreciate if you can reply me back mariamnasrin2 gmail.

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Biology chapter 2

biology notes form 2

This is the basis for the millons reagent test for proteins. Humans depend on photosynthesis for the energy containing fossil fuel which have developed over a millions of year. Rain carried these molecules to the Earth's surface where they formed a primordial soup of cellular building blocks. The container is filled with food then the air is pumped out to form a vacuum. This favours conversion of sugar to starch. Thus method of preservation was named after its inventor Louis Pasteur. Stomata and air space are seen.


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BIOLOGY Form 2 Topic 3 ~ Darasa Huru Kwa Wote

biology notes form 2

Bottled or canned food can be kept for months or even years. Duodenum and its accessory organs The bile duct- bile duct transports bile from the gall bladder into the duodenum. These gametes are similar in morphology isogamous or dissimilar anisogamous or oogamous. Your support keeps the website running. Hydrolysis- is a process of breaking down complex carbohydrates chemically by addition of water.

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Biology Form1 Notes

biology notes form 2

Living things give rise to young ones of their own kind. Digestion of the stomach wall by pepsin. Food that can be bottled or canned include tomatoes, fruits, juice, beef, fish and packed beans. The word Biology is derived from two Greek words: Bios which means life and logos which means knowledge. These amino acids link together to form a polypeptide chain, and then folds into a three dimensional structure. Roughage Is a cellulose material found in food.

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BIOLOGY Form 2 Topic 3 ~ Darasa Huru Kwa Wote

biology notes form 2

Pharynx is a cavity behind the mouth. The eater is a predator while the eaten is a prey and a number of predators and preys regulate each other. This conformation is vital, because the protein cannot function until it is a certain shape. Types and Characteristics of Respiratory surfaces Different animals have different respiratory surfaces. Beijerinek 1898 demonstrated that the extract of the infected plants of tobacco could cause infection in healthy plants and called the fluid as Contagium vivum fluidum infectious living fluid. Cholesterol Excess intake of fats.

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Biology Notes Form 2 Pdf

biology notes form 2

Respiration: They breakdown food in their body cells to release energy. Products Carbon dioxide and water. The molecule that encodes genetic information. This is crucial since any interruption in food chain could lead to ecosystem imbalance. It adds bulk to the food, prevents constipation. D : the pentose does not have any oxygen in position 2.

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Biology Notes

biology notes form 2

In the realm of living cells, tensegrity is helping to explain how cells withstand physical stresses, how they are affected by the movements of organelles, and how a change in the cytoskeleton initiates biochemical reactions or even influences the action of genes. It is confirmed by diffraction data. The total length is 1. The availability of those ions will result chlorophyll. The chemicals to reach the taste buds of the tongue for tasting. Therefore, they are known as connecting link between plant and animal.


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Chapter 2

biology notes form 2

In solving environmental problems such as shortage of food, poor health services misuse of environmental resources e. Leopard Microbiology- the study of micro-organisms e. السلام عليكم and Hello everyone, Welcome to Tr. Biliverdin and bilirubin Breakdown of haemoglobin. For an organism to survive in an ecosystem it must compete with partner for the limited resources. Water is then drawn into guard cells by osmosis.


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