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Double bond

Double bond

(Science: chemistry) a covalent bond resulting from the sharing of two pairs of electrons; e.g., H2C==CH2 (ethylene).


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Could anyone please help with these questions? (Bio)

... B. Protons C. Neutrons D. Electrons E. Protons and Neutrons A hydrogen bond is A. A sharing of a pair of electrons between a hydrogen and an oxygen ... in the nucleus E. total number of protons in the nucleus A covalent double bond could form between any of the following pairs of atoms except ...

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by lindshastude
Tue May 01, 2012 3:50 pm
 
Forum: General Discussion
Topic: Could anyone please help with these questions? (Bio)
Replies: 1
Views: 6796

Cis-Platin and Its Effects on DNA Replication

... dashed line appear to be no more than just a representation of the 3 H bond between G and C not an accurate representation. 2- Cis-platin do intra ... DNA structure) sterically and by prevent correct unzipping of the DNA double helix

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by canalon
Sat Apr 28, 2012 2:23 pm
 
Forum: Human Biology
Topic: Cis-Platin and Its Effects on DNA Replication
Replies: 4
Views: 2166

Charge transport through DNA

... ( not along single DNA but between different single DNA in the double helix ) ? The proton transfer in the hydrogen bond was described. Therefore this case is not interesting. It is interesting - is electron ...

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by limarodessa
Sun Jul 17, 2011 8:53 am
 
Forum: General Discussion
Topic: Charge transport through DNA
Replies: 1
Views: 1540

RNA as genetic material

... but differ in three main ways. First, unlike DNA, which is, in general, double-stranded, RNA is a single-stranded molecule in many of its biological ... of the structure of the ribosome—an enzyme that catalyzes peptide bond formation—revealed that its active site is composed entirely of RNA.[

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by bellyjelly
Tue Jul 12, 2011 7:41 am
 
Forum: Molecular Biology
Topic: RNA as genetic material
Replies: 9
Views: 21635

Re: What is the difference between chromatide and nucleotide?

... single unit of DNA comprising the sugar molecule (deoxyribose) which is bonded to the base (A/T/C/G) (this combo is the nucleoside),plus the phosphate ... Single strand of DNA = sequence of nucleotides Chromatin = DNA (double strand forming the double helix) plus proteins (scaffold for the DNA) ...

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by Julie5
Wed Apr 27, 2011 6:55 pm
 
Forum: Cell Biology
Topic: What is the difference between chromatide and nucleotide?
Replies: 3
Views: 2672
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