Web Results

Nitrogenous base - Wikipedia


A nitrogenous base, or nitrogen-containing base, is an organic molecule with a nitrogen atom that has the chemical properties of a base. The main biological ...

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?

BIO 1010 Study Guide (2013-14 Humphries) - Instructor Humphries ...


Jan 12, 2014 ... A mutation results in a defective enzyme A. Which of the following ... The nitrogenous base adenine is found in all members of which group?

Exam 2 Answer Key


Oct 15, 2013 ... (2 pts) Which of the following is not true regarding the structure of DNA? A. Each chain makes ... D. The purine adenine base pairs with the pyrimidine thymine. E. The paired ... C. Add methyl groups to DNA D. Facilitate base ...



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.

Nucleic Acids - 2012 Book Archive


Adenine and guanine are the major purines found in nucleic acids (Figure 19.2 ... 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. .... The nucleus contains all the necessary enzymes, proteins, and nucleotides ...

Nucleotides in DNA | Science Primer


A five carbon sugar; A phosphate molecule; A nitrogen-containing base. ... (found in RNA) in that the #2 carbon lacks a hydroxyl group (hence the prefix ... Nucleotides in DNA contain four different nitrogenous bases: Thymine, Cytosine, Adenine, ... Pyrimidines: Cytosine and Thymine each have a single six-member ring.

Nitrogenous Bases - HyperPhysics


A set of five nitrogenous bases is used in the construction of nucleotides, which ... The larger bases adenine and guanine are purines which differ in the kinds of ... to a pentose sugar, either ribose or deoxyribose, along with a phosphate group.

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 ... All life on Earth uses the same code (with a few minor exceptions). ... pair of chromosomes comes from the mother (through the egg cell); one member of each ...



Dec 4, 1997 ... Adenine and guanine are found in both DNA and RNA. ... Carbon 1 of the sugar is attached to nitrogen 9 of a purine base or to nitrogen 1 of a ... Most, but not all, nucleic acids in the cell are associated with protein. .... bases. The 4-amino group of both cytosine and 5-methyl cytosine is released as ammonia.

More Info

17 - The nitrogenous base adenine is found in all members of which ...


The nitrogenous base adenine is found in all members of which group? ... In which of the following actions does RNA polymerase diFer from DNA polymerase ?

Mike's Online Biology: MOB University: October 2012


Oct 31, 2012 ... Which of the following represents the primer sequence? a. .... c. Is the nitrogenous base a pyrimidine or a purine? Answers · Answers ...... 13) The nitrogenous base adenine is found in all members of which group? A) proteins ...



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.