Carbohydrate
...
carbohydrates (literally hydrates of carbon ) are ... being fat and protein . Relatively complex
carbohydrates are known as polysaccharides .
carbohydrates are naturally produced by plants . A more ...
Glucose
... sugar , is one of the most important
carbohydrates and is used as a source of energy in animals ... as gluconeogenesis .
Role in metabolism
carbohydrates are the human body's key source of energy, ... ) of food energy per gram . Breakdown of
carbohydrates (e.g. starch ) yields mono- and disaccharides, ...
Glycome
... is the collective identity of the entirety of
carbohydrates in an organism .
The glycome may in fact be one ... greater diversity of the glycome's constituent
carbohydrates and is further complicated by the sheer ... of combination and interaction of the
carbohydrates with each other and with proteins.
An ...
Biochemistry
... the structure and function of cellular components , such as proteins ,
carbohydrates , lipids , nucleic acids , and other biomolecules . Recently ... of substances that can be classified into a few major categories:
carbohydrates
Lipids
Proteins and Amino acids
DNA , RNA and Nucleic ...
Cell metabolism
... Carbohydrate catabolism
Carbohydrate catabolism is the breakdown of
carbohydrates into smaller units. The empirical formula for carbohydrates, like that of their monomer counterparts, is C X (H 2Y O Y ).
carbohydrates literally undergo combustion to retrieve the large amounts of energy in ...
Nutrition
... in various proportion. Provided excess is avoided, particularly of
carbohydrates and hydrogenated fats, then it has been shown that our needs are best met ... which accelerated aging, and that aging was retarded when the amount of
carbohydrates was reduced through dietary restriction.
However, recent research has ...
Chlorophyll
... ionizing it. The resulting chemical energy is then captured in the form of ATP , and ultimately to convert carbon dioxide and water to
carbohydrates and oxygen . Chlorophyll absorbs most in the red and blue portions of the electromagnetic spectrum , thus its intense green color.
Chemical ...
Citric acid cycle
... as part of cellular respiration . In these aerobic organisms , the citric acid cycle is a metabolic pathway that forms part of the break down of
carbohydrates , fats and proteins into carbon dioxide and water in order to generate energy.
It is the second of three metabolic pathways that are ...
Cytoplasm
... cytoplasm
The aqueous component of the cytoplasm (making up 80 percent of it) is composed of ions and soluble macromolecules like enzymes ,
carbohydrates , different salts and proteins , as well as a great proportion of ARN . The cytoplasm's watery component is also known as hyaloplasm .
The ...
Diabetes mellitus
... (primarily muscle and fat cells) from the blood, deficiency of insulin or its action plays a central role in all forms of diabetes.
Most of the
carbohydrates in food are rapidly digested to glucose , the principal sugar in blood. Insulin is produced by beta cells in the pancreas in response to ...
Digestion
... exocrine glands in the mouth to release digestive enzymes such as salivary amylase , which aid in the breakdown of food, particularly
carbohydrates . Chewing also causes the release of saliva , which helps condense food into a bolus that can be easily passed through the esophagus to the ...
Fermentation
... or packaging.
Uses
The primary benefit of fermentation is the conversion, e.g. converting juice into wine , grains into beer , and
carbohydrates into carbon dioxide to leaven bread .
According to Steinkraus (1995), traditionally food fermentation serves five main purposes:
...
Cell membrane
... while others might be said to reside within it or to span it ( intrinsic proteins -- more at integral membrane protein ). Glycoproteins have
carbohydrates attached to their extracellular domains. Cells may vary the variety and the relative amounts of different lipids to maintain the fluidity of their ...
Glycolipid
... for cellular recognition.
They occur where a carbohydrate chain is associated with phospholipids in the cell surface membrane . The
carbohydrates are found on the outer surface of all eukaryotic cell membranes.
They extend from the phospholipid bilayer into the aqueous environment outside ...
Glycomics
... convention established by genomics (which deals with genes ) and proteomics (which deals with proteins ).
The identity of the entirety of
carbohydrates in an organism is thus collectively referred to as the glycome .
This area of research has to deal with an inherent level of complexity not seen ...
Glycoprotein
... to the protein in a posttranslational modification , at either asparagine , hydroxylysine , hydroxyproline , serine , or threonine . Possible
carbohydrates include glucose , glucosamine , galactose , galactosamine , mannose , fructose , and sialic acid .
The sugar group can assist in protein ...
Golgi apparatus
... the modification of glycoproteins (used in cell membranes ). Vesicles from the ER contain simplified glycosylated proteins. In the Golgi Apparatus,
carbohydrates are attached and removed from these glycoproteins, creating a diversity of carbohydrate structures on the proteins. After they have been secreted in ...
Citric acid cycle
... as part of cellular respiration . In these aerobic organisms , the citric acid cycle is a metabolic pathway that forms part of the break down of
carbohydrates , fats and proteins into carbon dioxide and water in order to generate energy.
It is the second of three metabolic pathways that are ...
Kwashiorkor
... certain amino acids vital to growth from its mother's milk. When the child is weaned, if the diet that replaces the milk is high in starches and
carbohydrates , and deficient in protein (as is common in parts of the world where the bulk of the diet consists of starchy vegetables, or where famine has ...
Light-dependent reaction
... . ATP is a versatile source of chemical energy used in most biological processes. Note, however, that the light reaction produces no
carbohydrates such as sugars.
Both of these processes are accomplished via the mechanism of an electron transport chain . This is a series of proteins embedded ...
Life
... organisms often note some additional signs of a "living organism", including these:
Living organisms contain molecular components such as:
carbohydrates , lipids , nucleic acids , and proteins .
Living organisms require both energy and matter in order to continue living.
Living organisms ...
Light-dependent reaction
... . ATP is a versatile source of chemical energy used in most biological processes. Note, however, that the light reaction produces no
carbohydrates such as sugars.
Both of these processes are accomplished via the mechanism of an electron transport chain . This is a series of proteins embedded ...
Cell membrane
... while others might be said to reside within it or to span it ( intrinsic proteins -- more at integral membrane protein ). Glycoproteins have
carbohydrates attached to their extracellular domains. Cells may vary the variety and the relative amounts of different lipids to maintain the fluidity of their ...
Polysaccharide
... Polysaccharides (sometimes called glycans ) are relatively complex
carbohydrates .
They are polymers made up of many monosaccharides joined together by glycosidic linkages. They are therefore very large, often branched, ...
Protein biosynthesis
... of disulfide bridges or attachment of any of a number of biochemical functional groups , such as acetate , phosphate , various lipids and
carbohydrates . Enzymes may also remove one or more amino acids from the leading (amino) end of the polypeptide chain, leaving a protein consisting of two ...
Protein
... have been deposited therein, as of June 2004 . This database also contains structures of nucleic acids such as DNA and RNA , as well as a few
carbohydrates .
Functions
Proteins are involved in practically every function performed by a cell, including regulation of cellular functions such as ...
Blood type
... A blood type is a description an individual's characteristics of red blood cells due to substances (
carbohydrates and proteins ) on the cell membrane. The two most important classifications to describe blood types in humans are ABO and Rh factor . There are ...
Starch
...
3 Livestock
4 Tests for Starch
5 External links
Biochemistry
In biochemistry , starch is a mix of two polymeric
carbohydrates ( polysaccharides ) called amylose and amylopectin , in which the monomers are glucose units joined to one another head-to-tail forming ...
Vitamin
... disease beriberi . The following year, Frederick Hopkins postulated that foods contained "accessory factors"—in addition to proteins ,
carbohydrates , fats , etc.—that were necessary to the human body. When Kazimierz Funk isolated the chemical that Fletcher had identified, he proposed ...