Amines are organic compounds and a type of functional group that contain nitrogen as the key atom. In structure, amines resemble ammonia, wherein one or more hydrogen atoms are replaced by organic substituents such as alkyl and aryl groups.
Amines are organic compounds and functional groups that contain a ... amine ... decreases the alkalinity of the amine, depending on its substituents. ...
Full article ...
Glutamine Q (Gln)
Chemical Properties:
Neutral
(Amides of acidic amino acids R-group) ...
receptors, dopamine d2
A class of dopamine receptors identified by their binding profiles for synthetic ligands, their molecular biology, and, perhaps, their mode of action.
TMADH (trimethylamine dehydrogenase) is a complex iron-sulphur flavoprotein that forms a soluble electron-transfer complex with ETF (electron-transferring flavoprotein).
Used as a stimulant in depressed states, to reduce appetite, and in attention-deficit disorders, it can also alleviate nasal congestion. Amphetamine use can lead to dependence. It has a high potential for abuse.
Amines
Organic molecules with an amino group, -NH2. Some examples:
all the amino acids (lysine has two of them).
the thyroid hormones thyroxine (T4) and triiodothyronine (T3)
Many neurotransmitters: ...
Amine an organic molecule with at least one amino (-NH2) group attached
(amin‚ e‚ o = ammonia) ...
histamine A chemical released during the inþammatory response that increases capillary blood þow in the affected area, causing heat and redness.
histone proteins Proteins associated with DNA in eukaryote chromosomes.
histamine
(hiss-tuh-meen)
A substance released by injured cells that causes blood vessels to dilate during an inflammatory response.
histone ...
protamine - protein that binds DNA in sperm, replacing histones and allowing chromosomes to become more highly condensed than possible with histones.
Glutamine phosphoryl amidotransferase An enzyme that catalyzes the committed step in purine synthesis, ...
Hydroxylamine
NH2OH
-- A mutagen that reacts with C residues, producing a modified base (N4-hydroxyC) that pairs with A instead of G, and hence resulting in GC to AT transition mutations.
Amine hormones (notably epinephrine) are stored as granules in the cytoplasm until needed.
Polyamine
Compounds with many amino groups that are associated with nucleic acids.
Related Terms:
Nucleic acid
A large molecule composed of nucleotide subunits.
histamine - a major vasoactive amine released from mast cell and basophil granules
HIV - Human Immunodeficiency virus
immunity (resistance) - the sum of all naturally occurring defense mechanisms that protect humans from infections disease ...
We examine the case when x=100 and E=0.1. In the assembly problem, pm should be calculated with a smaller error rate since one is considering matches between two garbled sequences. For an error rate of E=0.
So dopamine is made only by dopamine cells, right? It starts with an enzyme called tyrosine hydroxylase-tyrosine is an amino acid, and through a series of steps, it becomes dopamine.
When we examine particles of matter, or with mass, we can only study a kind of particle, a given position or a given movement at once.
Chitin is also a homopolymer but is made of repeating subunits of N-acetyl-glucosamine, a derivative of glucose which has an amino group (containing nitrogen).
Macnair and Christie (1983) used this to examine the genetic basis of a postmating isolating mechanism in yellow monkey flower.
A karyotype is essentially a photograph of chromosomes that allow researchers and medical doctors to examine the chromosomes of an individual patient or an individual organism. It's particularly useful for looking for chromosomal abnormalities.
serotonin A phenolic amine, found in the serum of clotted blood and in many other tissues, that possesses several poorly understood metabolic, vascular, and neural functions; 5-hydroxytryptamine.
an organic acid containing the amine group (NH2) and serving as building material for proteins
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
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The glucose monomers of chitin (N-acetyl glucosamine) have a side chain containing nitrogen.
Cotton and wood are composed mostly of cellulose. They are the remains of plant cell walls.
Digestibility of Cellulose and Chitin ...
Instead of hippopotamuses, this time we will examine birds. Birds have a very big advantage over other life forms. They can fly. This ability allows them to move around quickly, as well as the ability to easily escape from predators.
ethyl-nitrosourea A nitrosoamine used as a chemical mutagen. Causes oxidative deamination of adenine and cytosine. Deamination of cytosine gives a C-G to T-A transition.
increment borer - a specially machined hollow tube with a handle used to drill out a wood core from tree trunks to examine annual growth rings in trees
indigenous - native to the region ...
The first cube should be 3cm on each side; the second, 2 cm on each side; and the third, 1 cm on each side. Measure carefully and trim away the waste. Examine the cubes. Think of them as giant models of tiny cells.
The fluorescence brightness of a species is proportional to the product of its molar extinction coefficient and fluorescence quantum yield. Highly fluorescent molecules such as rhodamine have high values of both molar extinction coefficient and ...
Science needs both ideas (the hypothesis) and facts (the quantitative results) to move forward. Scientists can then examine their data and develop newer ideas. This process will lead to more observation and refinement of hypotheses.
The nucleus was counterstained with a red dye to note its location in relation to the microtubule network. Fluorescence microscopy is an important tool that scientists use to examine the structure and function of internal cellular organelles.
 See also: Trans, Organ, Protein, Human, Cells
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