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hydrocarbons
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Name for small bases containing one carbon nitrogen ring?
These rings are known as pyrimidines.
What is the carbon backbone?
On Earth, life is said to be Carbon based because the majority of macromolecules are supported by a carbon backbone. Take for example a saturated fatty acid which consists of hydrogen atoms bonded onto an infinitely long series of carbon atoms which are arranged in a more or less straight line. These atoms make up the carbon backbone, it can be linear (such as the ones found in fatty acid), they can from a ring (as in most monosaccharides) or have an irregular shape.
Which element forms the backbone of all organic molecules?
Carbon. Organic molecules are usually made up of carbon chains or rings, with hydrogen atoms bonded to most bond sites. The molecules are distinguished by the length of the chain, the number of double or triple carbon-carbon bonds, and the other elements or ligands that might be bonded to the carbon chain or ring.
Describe the six main crystalline structures of silicate minerals?
Isolated tetrahedra silicates do not link with other silicon or oxygen atoms Ring Silicates form by sharing oxygen atoms Single Chain Silicates form a chain when sharing oxygen atoms Double Chain Silicates form when two or more single chains of tetrahedra bond to each other Sheet Silicates form when each tetrahedron shares three of its oxygen atoms with other tetrahedra Framework Silicates form when each tetrahedron is bonded to four other tetrahedras :)
Why does graphite conduct electricity and diamond does not?
: Diamond is made up of pure carbon. In the structure of diamond one carbon atom is attached to four other carbon atoms forming a covalent bond. All the electrons of each carbon atom is shared and the octet rule is satisfied. Hence no free electron is left for the conductance of electricity. : In case of graphite the carbon atoms naturally combine covalently with three other carbon atoms so every combined carbon has one unshared or free electron. Now this free electron is responsible for conductance in graphite. : Graphite and metals have free electrons to conduct electricity.
Single or double ring of carbon and nitrogen atoms with functional groups?
nitrogen base
A class of organic molecules each having a double ring of carbon and nitrogen atoms?
2 different types of nitrogenous bases: Purine: base w/ double ring of carbon & nitrogen atoms-Adenine (A) & guanine (G) Pyrimidine: single ring of carbon & nitrogen atoms-Cytosine (C) & thymine (T)
What class of organic molecules each having a single ring of carbon and nitrogen atoms?
pyrimidines
How are adenine and thymine different?
Adenine and thymine are both nitrogenous bases.Adenine is a purine, meaning it has a six-membered ring of carbon and nitrogen atoms fused together with a five-membered ring of carbon and nitrogen atoms. The chemical formula of adenine is C5H5N5.Thymine is smaller; it is a pyrimidine, meaning it has a six-membered ring of carbon and nitrogen atoms. The chemical formula for thymine is C5H6N2O2.
What are helicases?
a class of organaic moleicules, each having a double ring of carbon and nitrogen atoms
A class of large organic molecules each having a double ring of carbon and nitrogen atoms?
pyrimidines
Carbon ring structure of DNA and RNA that contains one or more atoms of nitrogen?
Carbon ring structures found in DNA or RNA that contains one or more atoms of nitrogen are called nitrogenous bases. There are five types of nitrogenous bases: Adenine, Thymine, Cytosine, Guanine and Uracil
What does a dash represent when written between two carbon symbols in a diagram of a chain or ring of carbon atoms?
if it is a single dash then it means a single covalent bond.
What is meant by azo- and thio- in chemistry?
These are prefixes given to heterocyclic compounds that contain nitrogen (azo-) and sulphur (thio-). Suffixes can also be given which reffer to the number of atoms that make up the heterocyclic ring these being -ine (6 membered), -ole (5 membered). Thus a 5 membered ring containing both sulphur and nitrogen would be classed as a thiazole. heterocycle-a ring structure which contains one or more atoms that are not carbon e.g pyridine (the most common atoms that replace the carbon are nitrogen, sulphur and oxygen)
What is the number of covalent bonds a carbon atom can form with another atoms?
Carbon can form single, double or triple bonds with other C atoms to create straight, branched, or closed ring chains.
What is the density of benzene?
The density of benzene is 876.50 kg/m to the third. Benzene is composed of six carbon atoms that are joined in a ring shape with a single hydrogen atom attached to each of those carbon atoms.
How are the carbon atoms in a benzene molecule arranged?
6-carbon ring
