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- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Map%3A_Raven_Biology_12th_Edition/05%3A_Membranes/5.03%3A_Proteins-_Multifunctional_ComponentsMany of the proteins in the plasma membrane assist other substances in crossing the membrane. On the outside of cell membranes and attached to some of the proteins are carbohydrate chains that act as ...Many of the proteins in the plasma membrane assist other substances in crossing the membrane. On the outside of cell membranes and attached to some of the proteins are carbohydrate chains that act as labels that identify the cell type. The proteins and lipids of the membrane move around the membrane, much like buoys in water. What is the main difference between the two main types of proteins associated with the plasma membrane?
- https://bio.libretexts.org/Courses/Hartnell_College/Environmental_Biology_(Fisher_and_Dorsner_Custom)/14%3A_Sustainability_and_Urban_Infrastructure/14.01%3A_Urbanization_and_CitiesAs the suburbs became more crowded and lost their charm, those who could afford it turned to the exurbs, communities that exist outside the ring of suburbs and are typically populated by even wealthie...As the suburbs became more crowded and lost their charm, those who could afford it turned to the exurbs, communities that exist outside the ring of suburbs and are typically populated by even wealthier families who want more space and have the resources to lengthen their commute.
- https://bio.libretexts.org/Courses/Hartnell_College/Environmental_Biology_(Fisher_and_Dorsner_Custom)/12%3A_Solid_and_Hazardous_Waste/12.05%3A_Chapter_ResourcesRegardless of the geographical setting of the type of waste that needs to be managed, the governing principle in the development of any waste management plan is resource conservation. As a result, sev...Regardless of the geographical setting of the type of waste that needs to be managed, the governing principle in the development of any waste management plan is resource conservation. As a result, several public and private partnership programs are under development with the goal of waste reduction through the adoption of new and innovative waste management technologies.
- https://bio.libretexts.org/Courses/Hartnell_College/Environmental_Biology_(Fisher_and_Dorsner_Custom)/12%3A_Solid_and_Hazardous_Waste/12.03%3A_Waste_PoliciesThe broad goals of RCRA include: (1) the protection of public health and the environment from the hazards of waste disposal; (2) the conservation of energy and natural resources; (3) the reduction or ...The broad goals of RCRA include: (1) the protection of public health and the environment from the hazards of waste disposal; (2) the conservation of energy and natural resources; (3) the reduction or elimination of waste; and (4) the assurance that wastes are managed in an environmentally-sound manner (e.g.
- https://bio.libretexts.org/Courses/Hartnell_College/Environmental_Biology_(Fisher_and_Dorsner_Custom)/14%3A_Sustainability_and_Urban_Infrastructure/14.02%3A_Urbanization_Around_the_WorldIn Davis’s analysis, neoliberal restructuring and the Structural Adjustment Programs of the World Bank and the International Monetary Fund (IMF) are largely responsible for the creation of the informa...In Davis’s analysis, neoliberal restructuring and the Structural Adjustment Programs of the World Bank and the International Monetary Fund (IMF) are largely responsible for the creation of the informal economy and the withdrawal of the state from urban planning and the provision of services.
- https://bio.libretexts.org/Courses/Prince_Georges_Community_College/PGCC_Microbiology/02%3A_Chemistry_of_Microbiology/2.03%3A_Chemical_Reactions/2.3.03%3A_Energy_and_Biochemical_ReactionsIn fact, each chemical reaction - the chemical reactions that allow the cellsin those ants to do the work - needs energy to get started. The energy needed to start a chemical reaction is calledactivat...In fact, each chemical reaction - the chemical reactions that allow the cellsin those ants to do the work - needs energy to get started. The energy needed to start a chemical reaction is calledactivation energy. A chemical reaction that releases energy is an exothermic reaction, and a chemical reaction that absorbs energy is an endothermic reaction. The energy needed to start a chemical reaction is the activation energy.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Introductory_Biology_(CK-12)/13%3A_Human_Biology/13.70%3A_Adulthood_and_AgingHeart disease is the number one killer of Americans, and one of the main killers of people the world over. This makes it harder for blood to get to all the parts of the body that need it, including th...Heart disease is the number one killer of Americans, and one of the main killers of people the world over. This makes it harder for blood to get to all the parts of the body that need it, including the heart itself. The size of the four chambers of the heart also change, as do the valves between the chambers. The resting heart rate does not change as you age, but the heart cannot beat as fast when you are physically active or stressed, as it did when you were younger.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Introductory_Biology_(CK-12)/11%3A_Invertebrates/11.03%3A_Invertebrate_Classification
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Introductory_Biology_(CK-12)/13%3A_Human_Biology/13.33%3A_BloodTypes of blood cells in plasma include red blood cells, white blood cells, and platelets (see Figure below). For example, white blood cells called phagocytes swallow and destroy microorganisms and deb...Types of blood cells in plasma include red blood cells, white blood cells, and platelets (see Figure below). For example, white blood cells called phagocytes swallow and destroy microorganisms and debris in the blood, neutrophils engulf bacteria and other parasites, and lymphocytes fight infections caused by bacteria and viruses. Red blood cells carry oxygen, white blood cells defend the body, and platelets help blood clot.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Introductory_Biology_(CK-12)/04%3A_Molecular_Biology/4.13%3A_Eukaryotic_Gene_RegulationIn eukaryotic cells, the start of transcription is one of the most complicated parts of gene regulation. This is a regulatory element that is part of the promoter of most eukaryotic genes. It is only ...In eukaryotic cells, the start of transcription is one of the most complicated parts of gene regulation. This is a regulatory element that is part of the promoter of most eukaryotic genes. It is only when all of the appropriate proteins are bound to the TATA box that RNA polymerase recognizes the complex and binds to the promoter. To see a video showing the role of the TATA box in the initiation of transcription, go to this link: http://www.youtube.com/watch?v=6tqPsI-9aQA.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Introductory_Biology_(CK-12)/13%3A_Human_Biology/13.52%3A_ImmunityAs long as the memory cells survive, the pathogen will be unable to cause a serious infection in the body. Immunization is the deliberate exposure of a person to a pathogen in order to provoke an immu...As long as the memory cells survive, the pathogen will be unable to cause a serious infection in the body. Immunization is the deliberate exposure of a person to a pathogen in order to provoke an immune response and the formation of memory cells specific to that pathogen. However, only part of a pathogen, a weakened form of the pathogen, or a dead pathogen is typically used. Passive immunity results from the transfer of antibodies to a person who has not been exposed to the pathogen.
