1. What is life? Life is the state of a material‚ complex or individual‚ characterized by the capacity to perform certain functional activities which include metabolism‚ growth‚ reproduction‚ and some form of responsiveness and adaptation. 2. What are the characteristics of living things? Organization Homeostasis Metabolism Growth Adaptation Response Reproduction 3. Create a table with two columns with the headings living and non-living and place the following under the appropriate columns
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Biol GOD Notes. First Edition 1 L. Leong 2012 Chapter 1: Molecules of Life Cell Theory ∝ All living things are composed of cells and the products of cells ∝ Cells are the basic functional unit of life ∝ All cells arise from pre-existing cells Living Things Unicellular: consisting of one cell Multicellular: composed of many cells ∝ All living things: grow and develop‚ regulate metabolic processes‚ move‚ respond to stimuli‚ reproduce AUTOTROPHS: manufacture their own organic carbon compounds
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through the pulmonary artery into the lungs. This is where gaseous exchange occurs again and waste products are diffused into the alveoli then exhaled. When exhaling the pressure in the thoracic cavity increases which forces air out. This type of respiration is aerobic as it uses
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patients that develop clinical signs of infection. Unlike other diseases sepsis is not diagnosed by the location or type of microbe involved in the infection. Some of the criteria used to diagnose sepsis are abnormalities of body temperature‚ pulse‚ respirations‚ and white blood cell counts. Some symptoms that are common in septic patients are fever‚ hypothermia‚ heart rate greater than 90 beats per minute‚ altered mental status‚ swelling of the extremities‚ and high blood glucose in diabetic patients
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how starch and cellulose are treated to allow them to be used by the yeast? One potential ethanol feedstock is starch. Starch molecules are made up of long chains of glucose molecules. Thus‚ starchy materials can also be fermented after breaking starch molecules into simple glucose molecules. Examples of starchy materials commonly used around the world for ethanol production include cereal grains‚ potato‚ sweet potato‚ and cassava. A great amount of ethanol fuel is currently produced by starch
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Science End Of Year Revision: Biology 1. Animal and Plant cells 2. Specialized animal and plant cells 3. The 7 life processes: 4. A group of SIMILAR CELLS is called a TISSUE. A group of DIFFERENT TISSUES forms an ORGAN. A GROUP OF ORGANS working together from an ORGAN SYSTEM‚ or even a WHOLE ORGANISM. CELLS TISSUE ORGAN ORGAN SYSTEM 5. Example of this sequence in plants. …which‚ with other tissues make up a leaf (an ORGAN)… …which‚ with other tissues
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Microbiology in odontogenic infections Most odontogenic infections contain mixed aerobic and anaerobic bacteria. predominant bacterial species present in oral cavity are maunly Streptococcus ‚ Peptostreptococcus‚ Veillonella‚ Lactobacillus‚ and Actinomyces . 11‚12 The mixed aerobic-anaerobic composition of the bacteria involved in suppurative odontogenic infections is thought to be important in the pathogenesis of infection. if bacteria involved in mixed odontogenic infections are isolated in pure
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system‚ respiratory system and muscles are affected. Short term effects are immediate and long term refers to our adaptation to exercise. After an intense exercise we are still breathing heavily‚ that is due to our internal respiration taking in more oxygen or cellular respiration (where the cells converts the food into energy or releases the molecules of Carbon‚ Hydrogen‚ Oxygen and Nitrogen which make up our food and are stored to higher cells known as ATP or Adenosine Triphosphate). There are
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Unit 5 Describe the two process by which hormones can cause certain genes to be turned on. (4) Any 2 from: - A hormone binds to a receptor in the cell surface membrane - Idea of the receptor causing (chemical) changes inside the cell - A (functional) {second messenger} activates an {enzyme/transcription factor/eq} Any 2 from: - Idea of a hormone entering the cell through the cell membrane - The hormone binds to a receptor - The {hormone-receptor complex/eq} acts as a transcription factor
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Raudah P. Mangbisa Grade VIII-Nilo VIRUS A virus is a small infectious agent that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms‚ from animals and plants to bacteria and archaea. Characteristics: Like living organisms‚ viruses contain nucleic acids and proteins. Inside living cells‚ viruses can reproduce‚ but not by the process of mitosis like most living cells. Viruses lack some characteristics of living organisms. Outside of living cells‚ viruses are
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