Exploring Enzymes - Ground-Up Tissue Activity Abstract Our experiment looked at how increasing the surface area of a substance affects the amount of bubbles created due to the presence of the enzyme catalase. The experiment used two pieces of fish‚ one whole and one ground up‚ which were then covered in hydrogen peroxide. This method allowed us to observe the catalase in ground up fish break down the hydrogen peroxide at a quicker rate than in the piece of fish left intact. This was determined
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length of 10cm and a width of 3cm. Then find the volume of the box and the total surface area of the paper used to make the box. T.S.A: 5 rectangles and 4 squares 5 x L x W + 4W = 5 x 10 x 3 + 4 x 9 = 186cm Volume: 5 rectangles and 4 squares L x W x H = 10 x 3 x 3 = 90cm Q2. Make another box with the same general shape‚ but chose a different length and width. Then find the volume of the box and the total surface area of the paper used. T.S.A: 5 rectangles and 4 squares = 5 x 4 x 2 + 4 x
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forming entire open rooms. Large pillars are left in a grid-like pattern to support the roof. The coal is cleared while digging and is taken back to the surface using conveyor belts. Crews then enter the room and insert metal rods into the roof four to six feet apart from each other in order to maintain the integrity of the topsoil and the surface. Around half of the coal in the mined area remains unexcavated in the form of the pillars‚ so at times‚ coal companies practice retreat mining. This is
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energy that travel through the earth‚ and are a result of an earthquake‚ explosion‚ or a volcano that imparts low-frequency acoustic energy. There are two types of seismic waves‚ Body waves and surface waves. Body waves travel through the interior of the earth. Surface waves travel along the earth’s surface and through water. Seismic wave fields are measured by a seismograph‚ geophone‚ hydrophone or accelerometer. These are used to measure earthquakes. When measuring these earthquakes these
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P D Y Chapter 3 1 0 2 SURFACE MINING METHODS REFERENCE: BULLIVANT‚ DA. Current Surface Mining Techniques. Journal for the Transportation of Materials in Bulk: Bulk Solids Handling‚ vol 7‚ n6‚ December 1987‚ pp827-833. 2.1 Ore reserves Suitable for Surface Mining Ore reserves suitable for surface mining can be classified initially as; Relatively horizontal stratified reserves with a thin or thick covering of overburden Stratified vein-type deposits with an inclination steeper
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of the potato: 14.81 bars Work: Solute potential: (ψS) = – iCRT = (-2)(.3)( 0.0831)(297)=14.81 bars Water potential: ψ = ψP + ψS = = water potential= 0 + 14.81= 14.81 LAB PART 2 Part 1: What factors limit cell size? 1. What is surface area? Area of given surface 2. What is volume? Area inside a shape 3.
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Group: _______________________________________ 1) Five equilateral triangles‚ each with side length are arranged so they are all on the same side of a line containing one side of each. Along this line‚ the midpoint of the base of one triangle is the vertex of the next‚ as shown in the diagram below. What is the area of the region that is covered by the union of the five equilateral triangular regions? Answer: Question Attempt 1 Attempt 2 Attempt 3 1 Triangles
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mises) -Octahedral shear stress and second invariant of devatoric stress tensor‚ as relations with yielding criterion q y y -Equivalent yield stress and yield strain. - Geometrical representation ‚Von mises cylindrical yield surface‚ and hexahedral i ld f h h d l yield surface of T f Tresca criterionit i -Yield locus in 2-D space -Plastic stress strain law Plastic -Modified stiffness matrix for plastic increments p BEAM ELEMENTS -Plastic bending of beams -Elastic b di moment and plastic or yielding
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- Undertake agreed pressure area care Describe the anatomy and physiology of the skin in relation to skin breakdown and the development of pressure sores Skin is the largest organ of the body‚ covering and protecting the entire surface of the body. The total surface area of skin is around 3000 sq inches or roughly around 19‚355 sq cm depending on age‚ height‚ and body size. The skin‚ along with its derivatives‚ nails‚ hair‚ sweat glands‚ and sebaceous glands forms the integumentary system. Besides
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squared) Height= 170cm divided by (∏ x 3 squared) Height = 6.01 round of to 6cm Allowing 1 extra cm for room Top and bottom of cylinder = 6cm + 1cm = 7cm Height= 6cm + 1cm = 7cm Total surface Area= area of base + area of top + Area of circle = (∏r squared) + (∏r squared) +( ∏ x Diameter x height) = (∏ x 3.5 squared) +(∏ x 3.5 squared) +(∏ x7x7) = 230.90cm cubed 1b The net
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