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Ribonucleotide - Wikipedia


In biochemistry, a ribonucleotide or ribotide is a nucleotide containing ribose as its pentose ... The nitrogenous bases are classified into two parent compounds, purine and ... The general structur...

Print Campbell Biology: Chapter 17 Test Preparation flashcards ...


4) The nitrogenous base adenine is found in all members of which group? A) proteins ... 5) A particular triplet of bases in the template strand of DNA is 5' AGT 3 '. ... 8) Which of the following nucleotide triplets best represents a codon?

Exam 2 Answer Key


Oct 15, 2013 ... D. The purine adenine base pairs with the pyrimidine thymine. E. The paired bases are ... C. Add methyl groups to DNA D. Facilitate base ... (2 pts) Which of the following statements about PCR is false? A. PCR stands for ...

DNA_Notes - Mark Rothery's Biology


In DNA the sugar is deoxyribose. a nitrogenous base. ... The base thymine is found in DNA only and the base uracil is found in RNA only. ... A polynucleotide has a free phosphate group at one end and a free OH group at the other ... Replication means that the DNA, with all its genes, must be copied every time a cell divides.

Transcription and Translation - Utexas


Aug 24, 1998 ... used in place of thymine. Uracil can also base pair with adenine. .... How can the 4 nucleotides found in DNA encode the 20 different amino ... UCAG on the left, top and right sides represent nitrogenous bases in the codon. ... The codons GCU, GCC, GCA and GCG all encode the amino acid A (alanine).

Nucleic Acids


Adenine and guanine are the major purines found in nucleic acids (Figure 19.2 " The ... Figure 19.2 The Nitrogenous Bases Found in DNA and RNA .... A similar segment of RNA would have OH groups on each C2′, and uracil would replace thymine. ... All these abilities depend on the pairing of complementary bases.

DNA, genes and chromosomes — University of Leicester


a nitrogenous base: cytosine (C), guanine (G), adenine (A) or thymine (T) ... Each of the sugar groups in this sugar-phosphate backbone is linked to one of the four ... of chromosomes comes from the mother (through the egg cell); one member of ... These relatively small circular DNA molecules usually contain genes that are ...

Glossary — University of Leicester


Adenine A nitrogen containing base (a purine) found in DNA, RNA, ATP, NAD, etc. ... A compound containing adenine, ribose, and three phosphate groups. ... Allele frequency The proportion of an allele relative to all alleles at a locus in a population. .... These act on the control genes of other cells, starting cascades of gene .....



A nitrogenous base that occurs in nucleotides of DNA and RNA and pairs through ... an attached adenine base on one side and a string of phosphates on the other. ... Amino acid with a charged acidic side chain containing a carboxyl group. ... The structure in the cell nucleus that contains all of the cellular DNA together with ...



4) Which of the following is/are characteristics of living organisms? A) Organized structure ... A) All members of Bacteria are single-celled and all members of Eukarya .... 31) If a DNA sample contains 13% adenine, what percentage of the sample contains cytosine? ..... A) Nitrogenous bases, sugar and phosphate groups.