Are You suprised ?
... c. P2F4 _______________________________________ d. SeO3 _______________________________________ 4. Draw the following molecular structures for the covalent compounds. 5. a. SeBr2 ...
... c. P2F4 _______________________________________ d. SeO3 _______________________________________ 4. Draw the following molecular structures for the covalent compounds. 5. a. SeBr2 ...
Molecole per la vita
... Most of the substances present in the human body and in other living organisms, animals and plants, are polyfunctional organic compounds, i.e. compounds that have two or more different functional groups in their molecules. Hydroxy acids, keto acids and amino acids are important polyfunctional compou ...
... Most of the substances present in the human body and in other living organisms, animals and plants, are polyfunctional organic compounds, i.e. compounds that have two or more different functional groups in their molecules. Hydroxy acids, keto acids and amino acids are important polyfunctional compou ...
Topic Two - OoCities
... Pectinase: an enzyme obtained from a fungus (Aspergillus niger) that naturally grows on fruits. Cell walls in fruits are kept together by the protein pectin. Pectinase breaks down pectin and thus separates the cells, making juice extraction much easier. Pectinase also prevents oxidation which ...
... Pectinase: an enzyme obtained from a fungus (Aspergillus niger) that naturally grows on fruits. Cell walls in fruits are kept together by the protein pectin. Pectinase breaks down pectin and thus separates the cells, making juice extraction much easier. Pectinase also prevents oxidation which ...
Practice Bypass Answers
... spark. When the grill is turned on, propane is delivered to the igniter, where it reacts with oxygen (burns). The process of burning propane is called combustion. It can be represented by the following equation: ...
... spark. When the grill is turned on, propane is delivered to the igniter, where it reacts with oxygen (burns). The process of burning propane is called combustion. It can be represented by the following equation: ...
AP Chemistry Summer Packet More Chapter Two and Chapter
... 76. When a substance that has a positive charge is brought near a substance that has a negative charge, a force of attraction occurs between them. WHen two substances with the same sign of charge are brought near each other, a repulsive force occurs. These forces are electrostatic in nature. In chem ...
... 76. When a substance that has a positive charge is brought near a substance that has a negative charge, a force of attraction occurs between them. WHen two substances with the same sign of charge are brought near each other, a repulsive force occurs. These forces are electrostatic in nature. In chem ...
Enzymes
... proteins - fibrous or structural proteins o very stable; provides strength; insoluble o often long filaments built from identical subunits o keratin hair, horn and nails; waterproofs our skin o collagen most abundant protein in body 3 polypeptide chains twisted together in bones, cartilage ...
... proteins - fibrous or structural proteins o very stable; provides strength; insoluble o often long filaments built from identical subunits o keratin hair, horn and nails; waterproofs our skin o collagen most abundant protein in body 3 polypeptide chains twisted together in bones, cartilage ...
Exam 3 Review
... H2O aqua The oxidation number of a metal that exhibits variable oxidation states is designated by a Roman numeral in parentheses following the name of the complex ion or molecule. If a complex is an anion, the suffix "ate" ends the name. No suffix is used in the case of a neutral or cationic compl ...
... H2O aqua The oxidation number of a metal that exhibits variable oxidation states is designated by a Roman numeral in parentheses following the name of the complex ion or molecule. If a complex is an anion, the suffix "ate" ends the name. No suffix is used in the case of a neutral or cationic compl ...
Why plants need nutrients
... Primary nutrients: N, P, K Nitrogen atoms are needed to make amino acids and proteins (including enzymes) and other important biological molecules. Nitrogen promotes green, leafy growth and the formation of stems. Crops with high nitrogen demands include grasses and leafy vegetables such as lettuce, ...
... Primary nutrients: N, P, K Nitrogen atoms are needed to make amino acids and proteins (including enzymes) and other important biological molecules. Nitrogen promotes green, leafy growth and the formation of stems. Crops with high nitrogen demands include grasses and leafy vegetables such as lettuce, ...
Chapter 5: Biological Molecules Molecules of Life • All life made up
... Account for over 50% of cell’s dry mass Functions – enzyme, storage, structural support, transport, movement, cellular communications, & defense against foreign substances Polypeptide o Polymer built from set of 20 amino acids o Linked by peptide bonds via dehydration reaction o Each has uniqu ...
... Account for over 50% of cell’s dry mass Functions – enzyme, storage, structural support, transport, movement, cellular communications, & defense against foreign substances Polypeptide o Polymer built from set of 20 amino acids o Linked by peptide bonds via dehydration reaction o Each has uniqu ...
Chapter 1 Review Understanding Concepts
... 11.(a) The structural characteristics that enable proteins to be so varied are the large number of functional R-groups; there are 20, which allows for many types of bonding and shapes. (b) Three major functions of proteins are for structure, as enzymes, and as carriers. 12. Fats and carbohydrates ar ...
... 11.(a) The structural characteristics that enable proteins to be so varied are the large number of functional R-groups; there are 20, which allows for many types of bonding and shapes. (b) Three major functions of proteins are for structure, as enzymes, and as carriers. 12. Fats and carbohydrates ar ...
On the Origin of Language
... • Precursor-product pairs in biosynthesis • Dashed boxes are hypothetical intermediate stages • Italicised codons do not match coevolution predictions ...
... • Precursor-product pairs in biosynthesis • Dashed boxes are hypothetical intermediate stages • Italicised codons do not match coevolution predictions ...
see examples of typical exams - IQ-USP
... 3) A Michaelian enzyme whose conformation is stable between pH 3 and pH 9, is only active when a particular histidine residue of the structure is protonated. On the same graph design the approximate curves of the initial reaction rate (V0) that this enzyme catalyzes as a function of the concentratio ...
... 3) A Michaelian enzyme whose conformation is stable between pH 3 and pH 9, is only active when a particular histidine residue of the structure is protonated. On the same graph design the approximate curves of the initial reaction rate (V0) that this enzyme catalyzes as a function of the concentratio ...
4 Classes of Large Biological Molecules Carbohydrates Lipids
... Has two fatty acids attached to a glycerol molecule The 3rd –OH group is attached to a phosphate group (- charge) Show ambivalent properties toward water Steroids Have C skeletons consisting of 4 rings, only variation come in functional groups Cholesterol: precursor from which many other steroids ar ...
... Has two fatty acids attached to a glycerol molecule The 3rd –OH group is attached to a phosphate group (- charge) Show ambivalent properties toward water Steroids Have C skeletons consisting of 4 rings, only variation come in functional groups Cholesterol: precursor from which many other steroids ar ...
Transition Elements
... 4,4'-Bipyridine (4,4'-bipy) can also form complexes with transition metal ions. Because of its structure, 4,4'-bipyridine can bridge between metal ions to form ‘coordination polymers’. For example, nickel(II) can form a coordination polymer with 4,4'-bipyridine containing {[Ni(H2O)4(4,4'-bipy)]2+}n ...
... 4,4'-Bipyridine (4,4'-bipy) can also form complexes with transition metal ions. Because of its structure, 4,4'-bipyridine can bridge between metal ions to form ‘coordination polymers’. For example, nickel(II) can form a coordination polymer with 4,4'-bipyridine containing {[Ni(H2O)4(4,4'-bipy)]2+}n ...
Notes Chapter 3 Biochemistry
... C. Polar compound – compound with one side having a negative charge (usually the larger atom (oxygen)) and the other side a positive charge (usually the smaller atom(hydrogen)) 2. Explain how water’s polar nature affects its ability to dissolve substances A. It is water’s polar nature that makes it ...
... C. Polar compound – compound with one side having a negative charge (usually the larger atom (oxygen)) and the other side a positive charge (usually the smaller atom(hydrogen)) 2. Explain how water’s polar nature affects its ability to dissolve substances A. It is water’s polar nature that makes it ...
Macromolecules and the Molecules of Life
... Macromolecules • Macromolecules • Made of CHNOP • Large molecules formed by joining polymers • Monomers • The basic units that bond together to form molecules essential to life • Bond via condensation reaction • Monomer + monomer = polymer + water • Polymers • Several monomers joined together • Sep ...
... Macromolecules • Macromolecules • Made of CHNOP • Large molecules formed by joining polymers • Monomers • The basic units that bond together to form molecules essential to life • Bond via condensation reaction • Monomer + monomer = polymer + water • Polymers • Several monomers joined together • Sep ...
Chapter 1 Structure and Bonding
... 1) For the first five metals: maximum oxidation state = loss of all 4s and 3d electrons Cr0 -----> Cr6+ (loss of 4s13d5) Ti0 -----> Ti4+ (loss of 4s23d2) 2) Last five metals: usually +2 or +3 a) 3d energy lowers as the nuclear charge increases b) Harder to remove more electrons 3) Ionization Energy ...
... 1) For the first five metals: maximum oxidation state = loss of all 4s and 3d electrons Cr0 -----> Cr6+ (loss of 4s13d5) Ti0 -----> Ti4+ (loss of 4s23d2) 2) Last five metals: usually +2 or +3 a) 3d energy lowers as the nuclear charge increases b) Harder to remove more electrons 3) Ionization Energy ...
The Chemistry of Life
... Quaternary = The entire protein maintains a folded, twisted shape due to H-bonds and Van der Waals Forces. ...
... Quaternary = The entire protein maintains a folded, twisted shape due to H-bonds and Van der Waals Forces. ...
Metalloprotein
Metalloprotein is a generic term for a protein that contains a metal ion cofactor. A large number of all proteins are part of this category.