Plasma Membrane-contains receptors that recognize the egg and protects the sperm‚ controlling what goes in and out. 9. Acrosome- also has outer and inner membrane that surround it‚ forms cap of the sperm‚ and helps penetrating the egg because it’s a lysosome that contains digestive enzymes. 10. Nucleus- contains the DNA 11. Centriole- organizes the axoneme‚ gives rise to the axile filament of the sperm (what it attaches to make the axoneme/flagellum) 12. Mitochondria- powerhouse of the cell‚ provides
Premium Cell Protein
The thyroid gland • • • • • anatomic considerations Formation and secretion of thyroid hormones Transport and metabolism of thyroid hormones Effects of thyroid hormones Regulation of thyroid secretion introduction: the thyroid gland • The thyroid gland maintains the level of metabolism in the tissues that is optimal for their normal function. • Thyroid hormones stimulate the O2 consumption of most of the cells in the body • Thyroid hormones help regulate lipid and carbohydrate metabolism • Thyroid
Premium Thyroid Thyroid hormone Iodine
1. You are looking at a Euglena using the x10 objective lens. You rotate the nosepiece around to x40 but the specimen is not visible. Describe what you should do next? Start by using the fine adjustment to attempt to focus on the Euglena. However‚ if it is still not visible‚ return to the x10 objective lens and use the fine adjustment to ensure the Euglena is as sharply focused as possible. Then‚ use the stage control to re-position the slide so the Euglena is directly in the centre of the lens.
Premium Light Lens Eye
Cell Structure & Organelles The cells in a meerkat are eukaryotic because they belong to the Anamalia Kingdom. The five most common organelles found in eukaryotic cells are mitochondria‚ ribosomes‚ nucleus‚ golgi apparatus and lysosome. The mitochondria is an organelle found in the meerkat. Its function is it produces energy out of food consumed. The second organelle is ribosomes‚ which produces protein. The third organelle is the nucleus whose function is the “brains” is
Premium Cell Eukaryote Organelle
The Korean Journal of Pathology 2010; 44: 426-30 DOI: 10.4132/KoreanJPathol.2010.44.4.426 Myofibrillar Myopathy - A Case Report - ∙ Jee Young Kim∙ Eun Hae Jeong ∙ Kee Duk Park∙ Heasoo Koo1 Departments of Neurology and 1 Pathology‚ Ewha Medical Research Institute‚ Ewha Womans University School of Medicine‚ Seoul‚ Korea Received : May 25‚ 2009 Accepted : August 18‚ 2009 Corresponding Author Heasoo Koo‚ M.D. Department of Pathology‚ Ewha Womans University School of Medicine‚
Premium Muscle Muscular dystrophy Muscular system
PLASMA MEMBRANE SELECTIVE PERMEABILITY= allowing some substance to cross it more easily than others composed of: Phospholipids Proteins Carbohydrates Cholesterol FLUID MOSAIC MODEL Phospholipids are primary lipids(constantly moving‚ fluidly) AMPHIPATHIC-containing hydrophobic and hydrophilic regions Mosaic part=not made of one thing Freeze-fracture studies:way to view what’s inside FLUIDITY OF MEMBRANE Move within bilayer Most of lipids and some proteins‚ drift laterally
Premium Membrane biology Cell membrane Lipid bilayer
Crassulacean-Acid metabolism. This type of photosynthesis is most common in desert plants where water is at a premium. In CAM photosynthesis‚ CO2 is taken up only at night and is stored in vacuoles. This causes a buildup of oxaloacetate (acidic) - which we just met in C4 photosynthesis - in those vacuoles. The effect is to partition the initial uptake of CO2 and the rest of the Calvin Cycle over time (as opposed to the partition of these reactions in space that occurs in C4 photosynthesis).
Premium Photosynthesis Eukaryote Chlorophyll
* Charles Darwin Origin of species by natural selection Theory of natural selection 1. Over production More offspring are produced than can survive 2. Variation There are differences in the traits of these organisms 3. Competition 4. Best adapted survive select agent 5. Reproduce Pass on desirable traits to the next generation Organisms rarely have mutations that can allow the to better adapt to there envirironment. I. Evidence for evolution A. Fossils Remnants of organisms that
Premium Charles Darwin Evolution Natural selection
characterized by a lack of a distinct nucleus‚ whereas prokaryotic cells have intracellular compartments bordered by membranes and a well-defined nucleus. ____ 2. Lipids and proteins are the major components of the plasma membrane. ____ 3. Lysosomes remain fully active by maintaining an acid pH created by pumping hydrogen ions into their interiors. ____ 4. The chief function of ribosomes is to provide sites for lipid synthesis. ____ 5. If cells are deprived of communication from extracellular
Premium Bacteria Protein Cell membrane
Global Fabry Disease Market 2014-20180280035Fabry disease is an inheritable lysosomal storage disease characterized by excessive accumulation of GL-3 in lysosomes. It results from the deficiency of α-Gal and can result in symptoms such as fatigue‚ angiokeratoma‚ tinnitus‚ kidney failure‚ heart disorders and anervous system problems. Fabry disease results from mutations in the GLA gene resulting in decreased activity or complete absence of α-Gal. Covered in this Report0280035This report covers the
Premium