Biology – Genetics The Cystic Fibrosis Gene Introd

Biology – Genetics The Cystic Fibrosis GeneIntroduction:Cystic fibrosis is an inherited autosomal recessive disease that exerts its main effects on the digestive system and the lungs. This disease is the most common genetic disorder amongst Caucasians. Cystic fibrosis affects about one in 2,500 people, with one in twenty five being a heterozygote.With the use of […]

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Biology Molecule

-man is high 50’s to 60% water -distribution in body divided into 3 compartments: 2) intercellular/interstitial fluid – 11 litres – 80% -water’s properties result from its structure and molecular interactions -polar covalent bonds and asymmetrical shape give it opposite charges on -electrons spend more time around O giving H a slight positive charge -hydrogen […]

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The Molecular Biology of Sleep Apnea

Sleep to humans is what the sun is to solar cells. A good eight hour sleep can leave us refreshed and ready to take on a new day. I used to take ‘sleep’ and being able to sleep effortlessly for granted until I came across the problem my husband was suffering. He has “sleep apnea” […]

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Principles of Biology

Sex chromosomes and sex determination in weird mammals, according to Jennifer Marshall Graves1. Why did you select this article or topic? What made it seems like it might be interesting?The article Sex chromosomes and sex determination in weird mammals by J.A. Marshall Graves brilliantly exemplified the significance of a comparative approach to sex chromosomes and […]

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Cell Biology

Cell biology is a branch of biology that studies all aspects of the cell. These aspects include cell division, cell structure, cell death and cell respiration. The cell is the basic unit of life, It is the smallest thing alive. Cells combine to form molecules. Each cell is sell sufficient with different structures all with […]

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Biology Questions

Dietary Fibers consists of two types which are the soluble and the insoluble fibers. The water-soluble fibers dissolve in water and can be found in foods such as the legumes like peas. Importance of soluble fibers is to regulate the flow of waste material down the digestive track besides preventing reabsorption of bile acids. On […]

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Introduction Life on earth depends on the sun’s energy. Not only does the sun provide warmth and light, it is also the source of energy for the process of photosynthesis that is the most crucial chemical reaction on Earth (Deatsman, 2006). All living organisms obtain the chemical energy through the process of respiration that take […]

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The Biology of Learning and Memory

classical conditioning pairing two stimuli changes the response to one of them instrumental conditioning operant conditioning; learning in which an individual’s response leads to a reinforcer or punishment reinforcer any event that increases the future probability of the response punishment an event that suppresses the frequency of the response engram the physical representation of what […]

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Apex learning Biology semester 2 unit 5.1

Actin A protein that is found in two settings in cells: as the main protein in the cytoskeleton structure that supports the cell, and in muscle fibers, along with the protein myosin. Alveoli Tiny air sacs in the lungs Aorta A large artery that carries blood from the heart to the rest of the body. […]

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AP Biology Unit 1 Terms

classical conditioning associative learning in which an arbitrary (something not usually associated with that behavior) stimulus becomes associated with a particular outcome (out of their control) operant conditioning an animal learns to associate a behavior with a reward or punishment and tends to repeat or avoid that behavior; “trial and error learning” proximate causation explanation […]

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