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Results for: 'chain reaction'
Condensation and Hydrolysis Animation
By: HWC, Views: 514
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...
SNP Polymorphysim Microarray Chip - How to Test a Person's DNA
By: HWC, Views: 5941
To test a person's DNA, a researcher first needs a source of tissue. Most of the cells in a blood sample are red blood cells, which lack nuclei, but there are also a number of white blood cells, which do contain nuclei and chromosomal DNA. If we could see a particular DNA sequence in these cel...
By: HWC, Views: 3565
The structure and function of the mammalian ribosome. The mammalian ribosome consists of two subunits, one small and one large. Each subunit is assembled in the nucleus from rRNA and structural proteins. Once assembled, the ribosomal subunits are shipped separately to the cytoplasm. ...
The 4 steps of translation Animation
By: HWC, Views: 2487
Translation is the process of formation of a polypeptide chain according to codon present in mRNA. The four steps of translation are: Activation or charging of tRNA Initiation – recognition of start codon, binding of ribosomal subunits to mRNA and formation of initiation complex with Met-tR...
Protein Secondary and Tertiary Structures - Animation
By: HWC, Views: 2849
Amino acid sequence dictates a protein's final shape. The presence of certain amino acids favors a pattern of hydrogen bonding that causes part of the polypeptide chain to coil and twist into an alpha helix. The presence of other amino acids enables hydrogen bonding between strand like r...
Splitting of Sugar, Oxidation/ Reduction & ATP Generation
By: HWC, Views: 6343
The next reaction shows us the meaning of "glycolysis" or the splitting of glucose. The fructose bisphosphate molecule is split into two molecules each containing 3 carbons as the backbone. FBP is split into two 3-carbon molecules called G3P, or glyceraldehyde 3-phosphate. Notice that the phos...
Michaelis–Menten equation & Kinetic parameters
By: HWC, Views: 6375
The Michaelis–Menten equation is the rate equation for a one-substrate enzyme-catalyzed reaction. This equation relates the initial reaction rate (v0), the maximum reaction rate (Vmax), and the initial substrate concentration [S] through the Michaelis constant KM—a measure of the substrat...
Labor and Delivery - Postpartum Assessment
By: Administrator, Views: 416
The postpartum patient's emotional status plays a significant part in her recovery and her adjustment to her infant. Postpartum hospital stays are very brief, so nurses must make every encounter with the patient meaningful. Developing a systematic method of assessing the patient will save time an...
By: HWC, Views: 5944
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