make burlap‚ Hessian or gunny clothes. ❖ Jute is one of the most affordable natural fibres and is second only to cotton in amount produced and variety of uses of vegetable fibres. Jute fibres are composed primarily of the plant materials cellulose (major component of plant fibre) and lignin (major components of wood fibre). It is thus a ligno-cellulosic fibre that is partially a textile fibre and partially wood. It falls into the bast fibre category (fibre collected from bast or skin of the
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Session 1 We use the scientific method every day. Imagine your car doesn’t start one morning before school. Which of these is a reasonable hypothesis regarding the problem? I’m out of gas. A scientific theory explains what we know to this date about a natural event. Which of the following is a theory? There is molecular and biochemical evidence that all organisms are related. Choose the answer that best describes the sequence of the scientific method. observation‚ hypothesis‚ experiment‚ conclusion
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Blooms Taxonomy - Questioning Concept Language Knowledge: Tell what you know or remember. What is…? Where is…? Which one…? Who‚ What‚ Why‚ When‚ Omit‚ Choose‚ Which‚ Name‚ Select‚ Find‚ Match‚ Name‚ Label‚ Show‚ Recall Comprehension: Demonstrate understanding of facts and ideas. How would you compare…? Contrast…? Which is the best answer…? How would you classify the type of…? Compare‚ Contrast‚ Demonstrate‚ Illustrate‚ Rephrase‚ Show‚ Classify
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Study guide Exam 1 Ch 1-5 CH 1 Overview‚ what is evolution‚ what is biology‚ what is life Evolution scientific explanation for: the unity and diversity we see in various organisms the suitability of organisms to their environments is evolution Hierarchy – molecules‚ cells‚ tissue‚ organ‚ organisms‚ populations‚ communities‚ ecosystem‚ biosphere Emergent properties – zooming from molecular level out to see function Reductionism (complex to simple) and Systems Biology (dynamic) Organisms
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On our surface‚ inside and all parts in between‚ necessary units called cells are constantly keeping your body in a living condition. Robert Hooke is who identified and named cells. “He thought that the small ‚ simple units looked like the bare prison cells. His work launched a new frontier in scientific exploration that led to modern cell theory; all living things are made of cells‚ cells are the basic units of structure and function in all living things‚ and all cells come from the reproduction
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All living things require the input of energy to exist – this energy is used to drive the thousands of biochemical reactions that occur to allow the organism to grow‚ reproduce and sustain life. This energy comes almost always from the Sun‚ in the rst instance – energy from sunlight is captured by photosynthetic organisms (e.g. plants‚ algae‚ certain bacteria) and converted into carbohydrates. These are then broken down by a process called cellular respiration‚ to produce energy-rich molecules (e
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Chapter 7: Carbohydrates I. Carbohydrates A. Most abundant organic molecule in nature a) 3 major classes: Monosaccharides – simple sugar – polyhydroxy aldehyde or ketone; represent individual sugar Oligosaccharides – consist of short chains of monosaccharide units joined together by covalent bonds; 2-10 strings of sugar Polysaccharides – long chains having hundreds or thousands of monosaccharide units b) Functions: Provide energy thru oxidation – glucose oxidized for energy Supply carbon
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Hemp‚ Hemp‚ Hemp. By: Andy Boustany. Lebanese American University. Hemp‚ Hemp‚ Hemp. For many years‚ Hemp served as an industrial sourcing of filament and oilseed. It has been utilized everywhere on the planet to make a mixture of modern and customer like items. Starting today‚ around 30 nations develop mechanical hemp as an agrarian product‚ and for exceptional reason for why it does. It is then sold on the planet’s business sector. However in the states‚ the handling of hemp is
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Cell Organelles Nucleus Its function is to control the cell’s activities and retain the chromosomes. The nucleus is bound by a double membrane‚ the nuclear envelope. The nuclear envelope has pores in it to allow the transport of mRNA. The cytoplasm like material is called nucleoplasm which contains chromatin (coils of DNA and histone proteins)‚ it is chromatin that condenses to form chromosomes during cell division. Within the nucleus is a small spherical body called the nucleolus which
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addition of glucose‚ maltose‚ lactose‚wheat bran and xylan‚ the maltose resulted in an increment in xylanase production (24.96 IU/ml) by SmF. An induction in the enzyme production/activity was noted when fungal isolate (Aspergillus niger) was grown on cellulose as a sole carbon source while a very low rate of enzyme activity/production was observed when glucose was used as sole carbon substrate. These results are in agreement with
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