Adenosine triphosphate
... ATP consists of adenosine and three
phosphate groups. It has the empirical formula C 10 H 16 N ... cell. Also, the hydrolysis yields free inorganic
phosphate and adenosine diphosphate , which can be broken down further to another
phosphate ion and adenosine monophosphate . ATP can also ...
Bone
... composite material , formed mostly of calcium
phosphate (in the chemical arrangement termed calcium ... containing alkaline phosphatase. This cleaves
phosphate groups and acts as the foci for calcium and
phosphate deposition. The vesicles then rupture and act as ...
Cellular respiration
... two molecules of 3-carbon sugar (dihydroxyacetone
phosphate and glyceraldehyde-3-phosphate) which are ... 3-carbon sugars are dehydrogenated and inorganic
phosphate is added to them, forming two molecules of 1,3 ... two molecules of 1,3 diphosphoglycerate lose two
phosphate groups to form two molecules of ...
DNA
... , each of which consists of a sugar , a
phosphate and one of four kinds of nucleobases ... bases to face the helical axis, the sugar and
phosphate groups of the nucleotides run along the outside; ... requires that helicases chemically cleave the
phosphate backbone of one of the strands so that it can ...
Enzyme
... polymerase . Kinases are enzymes that transfer
phosphate groups.
The International Union of Biochemistry ... transfer a functional group (e.g., a methyl or
phosphate group)
EC 3 Hydrolases : catalyze the ... that hydrolyze ATP into ADP and inorganic
phosphate in order to drive some other energetically ...
Nucleotide
... nucleobase , a pentose sugar , and a
phosphate or polyphosphate group . Nucleotides also play ... deoxyribose in DNA or ribose in RNA, and the
phosphate chain can be a monophosphate, diphosphate, or triphosphate. A nucleotide that lacks the
phosphate group is called nucleoside .
Contents ...
Pentose phosphate pathway
... The penthose
phosphate pathway (also known as the Hexose Monophosphate ... the energy from the conversion of glucose 6-
phosphate into ribose 5-phosphate.
The overall ... - A hereditary disease which disrupts the pentose
phosphate pathway.
NADPH
RNA
...
Phosphorylation
... Phosphorylation is the addition of a
phosphate (PO 4 ) group to a protein or a small ... in the mitochondrion by addition of a third
phosphate group to ADP in a process referred to as ... It allows cells to accumulate sugars because the
phosphate group prevents the molecules from diffusing back ...
Urea cycle
... (ammonia) + CO 2 + 2 ATP → carbamoyl
phosphate + 2 ADP + P i ( catalyzed by carbamoyl
phosphate synthetase )
carbamyl
phosphate + ornithine → citrulline + P i
...
ATPase
... triphosphate (ATP) into adenosine diphosphate (ADP) and a free
phosphate ion . This dephosphorylation reaction releases energy , which the ... proton gradient as an energy source for adding an inorganic
phosphate group to a molecule of adenosine diphosphate (ADP) to form a molecule ...
Gel electrophoresis
... is due to the natural negative charge carried on their sugar -
phosphate backbone. Double-stranded DNA fragments natually behave as long rods, so ... presense of a detergent such as sodium dodecyl sulfate /sodium docecyl
phosphate (SDS/SDP) that coats the proteins with a negative charge. Generally, the ...
Gel electrophoresis
... is due to the natural negative charge carried on their sugar -
phosphate backbone. Double-stranded DNA fragments natually behave as long rods, so ... presense of a detergent such as sodium dodecyl sulfate /sodium docecyl
phosphate (SDS/SDP) that coats the proteins with a negative charge. Generally, the ...
Glycolysis
... the ring to be split by aldolase into 2 molecules - dihydroxyacetone
phosphate and glyceraldehyde 3-phosphate. (Triosephosphate isomerase converts the molecule of dihydroxyacetone
phosphate into a molecule of glyceraldehyde 3-phosphate.) Each molecule of ...
Lipid
... fatty acid-derived "tails" by ester linkages and one "head" group by a
phosphate ester linkage. Fatty acids are unbranched hydrocarbon chains, connected ... whose head group can be modified by the addition of one to three more
phosphate groups. While phospholipids are the major component of biological ...
Nicotinamide adenine dinucleotide
... adenine dinucleotide ( NAD ) and nicotinamide adenine dinucleotide
phosphate ( NADP ) are two important coenzymes found in cells . NADH is the ... cycle of cellular respiration . It forms NADP with the addition of a
phosphate group to the 2' position of the nucleotide through an ester linkage. NADP ...
Nicotinamide adenine dinucleotide
... adenine dinucleotide ( NAD ) and nicotinamide adenine dinucleotide
phosphate ( NADP ) are two important coenzymes found in cells . NADH is the ... cycle of cellular respiration . It forms NADP with the addition of a
phosphate group to the 2' position of the nucleotide through an ester linkage. NADP ...
Nicotinamide adenine dinucleotide
... adenine dinucleotide ( NAD ) and nicotinamide adenine dinucleotide
phosphate ( NADP ) are two important coenzymes found in cells . NADH is the ... cycle of cellular respiration . It forms NADP with the addition of a
phosphate group to the 2' position of the nucleotide through an ester linkage. NADP ...
Phospholipid
... are formed from four components: fatty acids , a negatively charged
phosphate group, an alcohol and a backbone. Phospholipids with a glycerol ... acid is esterified to the hydroxyl groups on carbon-1 and carbon-2. The
phosphate group is attached to carbon-3 by an ester link. This molecule, known as a ...
ATP synthase
... EC 3.6.3.14) is a general term for an enzyme that can synthesize adenosine triphosphate (ATP) from adenosine diphosphate (ADP) and inorganic
phosphate by utilizing some form of energy. The overall reaction sequence is:
ADP + P i → ATP
ATP synthase in E. coli
These ...
Biopolymer
... end to the 3' end of the polymer chain , where 5' and 3' refer to the numbering of carbons around the ribose ring which participate in forming the
phosphate diester linkages of the chain. Such a sequence is called the primary structure of the biopolymer.
There are a number of biophysical techniques ...
Carbohydrate
... acid cycle
oxidative phosphorylation
See also
Biochemistry
Macromolecules
Glycolysis
Gluconeogenesis
Pentose
phosphate pathway
External links
IUPAC-IUBMB Joint Commission on Biochemical Nomenclature (JCBN): Carbohydrate Nomenclature
Carbohydrates ...
Citric acid cycle
... are hydrolyzed to break them into fatty acids and glycerol . In the liver the glycerol can be converted into glucose via dihydroxyacetone
phosphate and glyceraldehyde-3-phosphate by way of gluconeogenesis. In many tissues, especially heart, fatty acids are broken down through a process known as ...
Genetic code
... in DNA, and in RNA, is composed of tri-nucleotide units called codons , each coding for a single amino acid. Each nucleotide sub-unit consists of a
phosphate , deoxyribose sugar and one of the 4 nitrogenous nucleotide bases grouped into 2 categories, purine and pyrimidine . The purine bases ...
Diabetes mellitus
... diuresis ). The high volume of urination (polyuria) also produces increased losses of electrolytes , especially sodium , potassium , chloride ,
phosphate , and magnesium . Reduced fluid intake from vomiting combined with amplified urination produce dehydration . As the metabolic acidosis worsens, it ...
Genetic code
... in DNA, and in RNA, is composed of tri-nucleotide units called codons , each coding for a single amino acid. Each nucleotide sub-unit consists of a
phosphate , deoxyribose sugar and one of the 4 nitrogenous nucleotide bases grouped into 2 categories, purine and pyrimidine . The purine bases ...
Citric acid cycle
... are hydrolyzed to break them into fatty acids and glycerol . In the liver the glycerol can be converted into glucose via dihydroxyacetone
phosphate and glyceraldehyde-3-phosphate by way of gluconeogenesis. In many tissues, especially heart, fatty acids are broken down through a process known as ...
Light-dependent reaction
... split in the process; it is the light reaction which produces waste oxygen.
The light reaction also generates ATP by powering the addition of a
phosphate group to ADP , a process called photophosphorylation . ATP is a versatile source of chemical energy used in most biological processes. Note, ...
Metabolism
... pathway , the common glycolysis pathway.
Entner-Doudoroff Pathway , an alternative glycolysis pathway in few bacteria .
Pentose
phosphate pathway (hexose monophosphate shunt), generation of NADPH from glucose.
Protein catabolism , the hydrolysis of proteins into amino acids ....
Mitochondrion
... complex. By transporting protons from the intermembrane space back into the matrix, the ATP synthase complex can make ATP from ADP and inorganic
phosphate (P i ). This process is called chemiosmosis and is an example of facilitated diffusion . Peter Mitchell was awarded the 1978 Nobel Prize in ...
Mitochondrion
... complex. By transporting protons from the intermembrane space back into the matrix, the ATP synthase complex can make ATP from ADP and inorganic
phosphate (P i ). This process is called chemiosmosis and is an example of facilitated diffusion . Peter Mitchell was awarded the 1978 Nobel Prize in ...
Molecular biology
... DNA into eukaryotic cells, such as animal cells, is called transfection. Several different transfection techniques are available, including calcium
phosphate transfection, liposome transfection , and proprietary transfection reagents such as Fugene. DNA can also be introduced into cells using viruses as a ...
Light-dependent reaction
... split in the process; it is the light reaction which produces waste oxygen.
The light reaction also generates ATP by powering the addition of a
phosphate group to ADP , a process called photophosphorylation . ATP is a versatile source of chemical energy used in most biological processes. Note, ...
Protein biosynthesis
... . This is may include the formation 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, ...
Restriction enzyme
... enzyme (or restriction endonuclease ) is an enzyme that cuts double-stranded DNA . The enzyme makes two incisions, one through each of the
phosphate backbones of the double helix without damaging the bases . The chemical bonds that the enzymes cleave can be reformed by other enzymes known as ...
Signal transduction
... , used for communication with the translational apparatus. The zinc fingers in the DNA-binding domain stabilize DNA binding by holding contact to the
phosphate backbone of the DNA. The DNA sequences that match the receptor are usually hexameric repeats, either normal, inverted or everted. The sequences are ...
Splicing (genetics)
... which process is used, the excised lariats are discarded. The final mRNA product must have each of the following:
A 5' cap , a guanine tri
phosphate nucleotide, thus named because it binds to the 5' end of the mRNA;
The methylated cap prevents the 5' end from being degraded by exonucleases
...