The plasma membrane is asymmetrical; glycolipids and proteins occur only on outside and cytoskeletal filaments attach to peripheral proteins only on the inside surface. Discuss the fact that South America was inhabited by marsupials until relatively recently (within the last 20,000 years or so), when the land bridge formed between North and South America, which allowed placental mammals to reach South America and led to the extinction of many marsupials
ANTI-AGING FIREWALLS - THE SCIENCE AND TECHNOLOGY OF LONGEVITY
The blog post New views of Alzheimer's disease and new approaches to treating it describes how senesence of microglia may be a root cause of Alzheimer's dementia. Prevention of this shortening by telomerase activation could prevent premature senescence of these cells, and could possibly prevent some of the pathological consequences of SLE
Glossary of Drug Discovery and Development Terms
JTopJunk DNAA term used to refer to stretches of DNA within the genome that do not encode genes and are likely to play a structural, regulatory, or undefined role. HTopHairpinA structure in which adjacent segments of DNA or RNA fold together and are stabilized by base pairing, creating a loop of single-strand DNA or RNA.Hairy root cultureA plant culture system based on highly branched roots generated by plant tissue with agrobacterium rhizogenes
Esperanza High School
Esperanza 2015 LIP DUB Esperanza 2015 Lip Dub 2015 - 2016 ATHLETIC CLEARANCE PACKETS The Athletic Clearance Packet for the 2015-16 school year is now available Medical Sciences Academy Here is some information on the Medical Sciences Academy and Health Occupation Students of America (HOSA)
Molecules derived from the breakdown of fats, proteins, and carbohydrates can enter glycolysis or the Krebs cycle at various points in order to yield more energy to an organism. Part A How does oxygen get into or out of chloro- plasts and mitochondria? Part B What are the roles of oxygen in the processes of photosynthesis and cellular respiration, and how are the roles similar? Make sure you get plenty of rest the night before the test
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Note: If you are concerned about consuming large quantities of unhealthy theatre popcorn, try carrying a small Himalayan rock salt plate and lick it during the movie. Left: The cell membrane has pulled away from the cell wall marking the onset of plasmolysis called "incipient plasmolysis." Right: The entire cell contents (protoplast) within the membrane has shrunk into a blob in the center of the cell
Interactive Eukaryotic Cell Model
Smooth ER plays different functions depending on the specific cell type including lipid and steroid hormone synthesis, breakdown of lipid-soluble toxins in liver cells, and control of calcium release in muscle cell contraction. Smooth Endoplasmic Reticulum: Throughout the eukaryotic cell, especially those responsible for the production of hormones and other secretory products, is a vast network of membrane-bound vesicles and tubules called the endoplasmic reticulum, or ER for short
The biosynthesis of coenzyme Q10 involves three major steps: (1) synthesis of the benzoquinone structure from either tyrosine or phenylalanine, two amino acids; (2) synthesis of the isoprene side chain from acetyl-coenzyme A (CoA) via the mevalonate pathway; and (3) the joining or condensation of these two structures. Dietary supplementation with coenzyme Q10 results in increased levels of ubiquinol-10 within circulating lipoproteins and increased resistance of human low-density lipoprotein to the initiation of lipid peroxidation
Expression - Biology-Online Dictionary
expressed genes include those that are transcribed into mrna and then translated into protein and those that are transcribed into rna but not translated into protein (for example, transfer and ribosomal RNAs)
Xenobiotic metabolism a series of enzymatic reactions that convert a foreign chemical compound into an inert substance that can be safely excreted from the body. HDL-cholesterol is considered "good cholesterol," because higher blood levels of HDL-cholesterol are associated with lower risk of cardiovascular disease
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