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Pyramidines - T and C
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1 Nitrogenous bases of DNA 2 antiparallel arrangement
Contain 1 carbon-nitrogen ring, and 2
3 4 Nucleotide
nitrogen atoms
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Terms in this set (102)
Adenine
Guanine
Nitrogenous bases of DNA
Thymine
Cytosine
Contain 2 carbon-nitrogen Purines - A and G
rings, and 4 nitrogen atoms
, Contain 1 carbon-nitrogen Pyramidines - T and C
ring, and 2 nitrogen atoms
Deoxyribose sugar chemically linked to each base in DNA
Nucleoside base + deoxyribose
Nucleotide base + deoxyribose + phosphate group
purine always pairs with pyramidine
complementary pairs
(T+A), (C+G)
Occur when 2 negatively Hydrogen bonds
charged atoms share a
hydrogen atom
# of hydrogen bonds two
between A and T
# of hydrogen bonds three
between C and G
specified linear arrangement of nucleotides linked to
sequence the polynucleotide chains of DNA. Defines the entire
organism
end terminating with a 5' (five prime) end
phosphate group
end terminating with a 3' (three prime) end
hydroxyl group
one side of the helix runs in the opposite (5'-3')
antiparallel arrangement
direction of the other (3'-5)
Genome entire sequence of paired bases in DNA
A simple protein bound to DNA, involved in the coiling
histone proteins
of chromosomes
Chromatin DNA sequences and their associated proteins
Chromosomes structures of packaged chromatin complexes
Somatic cell All of the body's cells except gametes
Number of chromosomes 46 (23 pairs)
in each somatic cell
Process of parent cell replicating its genetic info and
Cell cycle
dividing into 2 new daughter cells