Andrew Schwartz 1-19-2011 Assignment 1 * Fish- Channel Catfish‚ May 23‚ 1997. It is slender‚ with a deeply forked tail. The young have spots that fade away with age. It feeds on animal and plant material by using it’s whiskers. * Fossil- Crinoid‚ June 16‚ 1989. It is the mineralization of an animal which has a plant-like appearance‚ so it is known as the “sea lily.” * Mineral- Galena‚ July 21‚ 1967. It is the major source of lead ore. It is dark gray in color and breaks into small
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1. Phospholipid: Molecule that forms a double-layered cell membrane; consists of a glycerol‚ a phosphate group; and two fatty acids. 2. Selectively permeable (Semi): Condition or quality of allowing some‚ but not all‚ materials cross a barrier or membrane. 3. Receptor: Protein that detects a signal molecule and performs an action in response. 4. Diffusion: Movement of dissolved molecules in a fluid or gas from a region of higher concentration to a region of lower concentration. 5. Osmosis: Diffusion
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A. Fermentation Lab- The basic process Prepared 3 beakers with contents listed below. ( a. Beaker 1: glucose only b. Beaker 2: Starch only c. Beaker 3: Starch + amylase). Poured contents of each beaker into its respective fermentation tube‚ ensuring the tail portion of the tube was filled with liquid. Placed tubes in an incubator at 37 degrees‚ measuring distance between tip of tube tail to fluid level at 20‚ 40‚ and 60 minute intervals. Calculated gas volume using this distance along with radius
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5PY017 Pharmaceutical Microbiology Evaluation of antimicrobial effectiveness of disinfectants Abstract A control experiment was performed to rule out the effects of the medium and neutralizer to allow us to see the effect of the disinfectant on the four organisms within a 5 minute range. The bacterial suspension used for paired at different concentration data was Staphylococcus Aureus for which gave good results when the reduction factor value of 1.20x106 ml-1 was obtained for the organism
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(M1) Communicable diseases are very contagious and can spread very easily from one person to another person‚ this also includes from animal to person. You can get infected straight away just by touching‚ eating‚ drinking or breathing in a substance that has a lot of germs on it. Communicable diseases are caused by agents such as bacteria‚ parasites‚ protozoa‚ fungus and virus. Bacteria exist on every surface including in the air and below sea level. Most bacteria are harmless but others are harmful
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A cycle is defined as any complete round or series of occurrences that repeats or is repeated in the same order and at the same intervals. The natural existence of cycles is highly important without cycles resources would run out and organisms would die. The amount of carbon nitrogen and oxygen on the earth is fixed‚ they can exists in different forms but no more may be added. So that these don’t run out they are cycles so they may be reused. Photosynthesis and respiration are the reverse of each
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Microorganisms: * Small living organisms; there are 3 types * Bacteria – ecoli‚ salmonella * Fungi – mushrooms‚ athletes foot * Virus – influenza (flu)‚ HIV * When they enter our body‚ they multiply and release toxins / harmful chemicals into our blood * They duplicate every 20 minutes * Physical barriers: eyelashes prevent MO’s from entering through our eyes‚ nasal hairs reduce them‚ skin is a barrier to them (although they can enter through cuts)‚ chemicals in tears
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CELLS All living things are made of cells‚ and cells are the smallest units that can be alive. Life on Earth is classified into five kingdoms‚ and they each have their own characteristic kind of cell. However the biggest division is between the cells of the prokaryote kingdom (the bacteria) and those of the other four kingdoms (animals‚ plants‚ fungi and protoctista)‚ which are all eukaryotic cells. Prokaryotic cells are smaller and simpler than eukaryotic cells‚ and do not have a nucleus. Prokaryote
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Jordan Wong Schiefer Acc Bio Block 6 11/15/12 Unit 4 Biochemistry relates to all things living because biochemistry makes up everything living. The atoms that make up the cells within our body are a part of biochemistry. There is carbon in every living thing and carbon based molecules are a part of biochemistry. Unit 4 describes the biochemistry in all living things. It explains the atomic structure and ions‚ properties of water and pH‚ organic molecules‚ chemical reactions and enzymes.
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1. What are the characteristics of a living organism? 2. How do you determine the TOTAL magnification of the field of view of a microscope? 3. What is homeostasis? How is homeostasis important to the survival of an organism? How is homeostasis maintained in a human? 4. What is the difference between diffusion and osmosis? 5. Define osmosis‚ hypertonic‚ hypotonic‚ isotonic solutions 6. What happens if you have a high concentration of salt water on the outside of the egg‚ yet there is very little
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