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Results for: 'Factors that affect hydrogen bonds'
By: HWC, Views: 7586
An ecosystem is a community of organisms and their environment. The community forms the living component of the ecosystem. These are called the 'biotic' factors, which means all of the living things in the ecosystem. The environment forms the nonliving component of the ecosystem, such as ...
By: Administrator, Views: 10886
Cancer refers to any malignant tumor. Incidence of cancer is five times higher than 100 years ago. Strikes 1 of every 3 Americans. Has become one of the more treatable of the major diseases in the U.S. Highly advanced surgical techniques Chemotherapy and radiation therapy Immunotherapy and ...
DNA Replication Factory and Protein
By: HWC, Views: 7256
DNA (deoxyribose nucleic acid) carries all the genetic information needed to re-create itself and to pass on the characteristics of the organism. The “factory” model of DNA replication hypothesizes a specific nuclear structure in which the molecular machinery for replication forks are brou...
Enzyme structure - Properties of enzymes
By: HWC, Views: 7696
■ Enzymes are proteins that catalyze reactions. ■ Some enzymes have two parts: a protein or apoenzyme and a non-protein or cofactor. ■ Cofactor can be a metal ion or another organic molecule called a coenzyme. ■ Coenzymes often come from vitamins. ■ Cofactors affect the shape of...
Condensation and Hydrolysis Animation
By: HWC, Views: 1581
A condensation reaction joins two molecules together to form one larger molecule. An enzyme removes a hydroxyl group from one molecule and a hydrogen atom from another, then speeds the formation of a bond between the two molecules at their exposed sites. Typically the discarded atoms join t...
By: HWC, Views: 7635
Acids and bases are found all around your house. For example, if you open your pantry or refrigerator, you might see a lot of acids. Fruit juice, soda pop, vinegar, and milk are all examples of acids. The word acid actually comes from a Latin term meaning ''sour.'' Many materials, like sugar for ...
By: Administrator, Views: 11112
Autism is a developmental disorder characterized by difficulties with social interaction and communication, and by restricted and repetitive behavior. Parents usually notice signs during the first three years of their child's life. These signs often develop gradually, though some children with au...
Global warming and its effect on climate change
By: HWC, Views: 7316
Global warming, habitat destruction, and pollution are all hot topics in the news. Environmentalists are concerned that many of these factors will lead to the loss of species. But how will this happen? One way to think about the environment is as a finely-tuned, high performance engine. If one...
Factors that increase metabolic rate and heat production
By: HWC, Views: 7786
• All vital biochemical reactions are temperature dependent. • The overall rate at which metabolic reactions use energy is known as the metabolic rate. • Metabolic rate greatly determines body temperatures. • Temperature is maintained by balancing the loss of heat to the environment...
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