Bio 101 Review Sheet Test #1 (Chapters 1-3) Chapter 1 1. Cell is basic unit of life 2. Hierarchy of life figure 3. 3 Energy categories and examples of each Producer-plants and some microbes Consumer-humans and other animals Decomposer-fungi and other animals 4. Energy transfers are not 100% efficient – why? Cant capture all of the energy supplied by one source a. Where does all energy for biology come from? sun 5. Homeostasis- state of internal consistency or equilibrium
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organisms; Water is a polar molecule. This is because the oxygen atom pulls the shared electrons towards it, meaning that water is slightly negatively charged at the oxygen and positively charged at the hydrogen ends, so they can form hydrogen bonds with each other. This are continuing breaking and reforming, so the molecules can move around. Property of water Solvent Importance Metabolic processes in all organisms rely on chemicals being able to react together in solution Examples
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Retrieved October 16, 2015, from http://www.buzzle.com/articles/pepsin-enzyme-structure-function-and-important-facts.html There are four forces, both bonds and interactions, which help stabilize or hold together a tertiary structure. These four forces include hydrophobic interactions, hydrogen bonds, ionic bonds, and disulfide bonds. Hydrophobic interactions are the weakest of the four forces and they occur between nonpolar amino acids. According to Borges (2014) these hydrophobic
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function it is denatured. Changes that causes denature of a protein are: changes of pH, changes in salt concentration, changes in temperature, and the presence of reducing agents (Ahern & Rajagopal,2012). None of these changes break the peptide bonds and the structure remains but the function is lost. There are four different protein structures. Primary structure is a straight chain of amino acids. A
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| | |The psychological explanation for the term ‘attachment’ is where you form an emotional bond to| | |another person or object both physically and mentally. And to feel secure. | | |John Bowlby (1969) described it as a lasting psychological connectedness between human beings.| | |
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Reeves Step 1: Introduction/HR Component Part Did you know that Petco Animal Supplies Inc. have more than 10,000 different pet-related products for dogs, cats, fish, reptiles, amphibians, birds and small animals and it foundation work with more than 7,000 local animal-welfare partners to find homes for more than 250,000 animals every year through in-store adoption events” Petco Animal Supplies Incorporate was founded by Walter Evans; at that time he worked with mail order
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twenty percent less gravity than Earth making the proportional scale several times larger than Earth’s, the animals, the plants, everything is huge in comparison to the Earth. The atmosphere on Pandora is made up of nitrogen, oxygen, carbon dioxide, xenon, ammonium, methane, and hydrogen sulfide. The carbon dioxide and the hydrogen sulfide are non-breathable for humans, this is why they humans have the wear oxygen masks (exopacks). Pandora is a very biodiverse locale. It has its own functioning ecosystem
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because it is polar (negatively charged). Fatty acids with no double bonds in their structural are called Saturated fatty acids and they include: Butryric acid (Butatonoic acid C-4) Caproic acid (Hexanoic C-6) Capric acid (Octanoic acid C-8) Fatty acids are named on the basis of hydrocarbon from which they are derived. The saturated fatty acids end with a suffix anoic (e.g. octanoic – 8c). fatty acids with double bonds are called unsaturated fatty acids and they have the suffix –enoic e
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unnatural interference and his family by his side. Many of us can relate to this story. Having an elderly pet in anguish due to an ailment, and making that hard decision to end s/he’s life prematurely. Why not let it end naturally like a human? Hold his hand to the end, and declaim your care for him. Grover, like many of our pets, was a
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Sources Of Dietary Fats -Animal sources: meat, cheese, and dairy -Plant sources: vegetable oils, nuts, and avocados -“Hidden”: French fries, pizza, baked goods, pasta, salad dressings -Benefits: provide texture, flavor and aroma to foods Lipid types- glycerol, fatty acids: chains of carbon atoms, acids at the end -Phosphate, chains of carbon atoms Carbon bonding- carbon can form four bonds Saturated Fats: carbons are saturated by hydrogens Unsaturated Fats:
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