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14 Cards in this Set
- Front
- Back
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____ is a complex of protein and DNA molecule.
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chromosome
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Is a chromosome organized when active or inactive?
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active
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When a cell isn't actively dividing, its nucleus is occupied by ______, which is a compact tangle of DNA twisted around proteins known as histones.
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chromatin
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During cell division, chromatin organizes itself into a ____.
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chromosome
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____ are instructions that direct the synthesis of a single polypeptide.
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genes
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RNA and DNA are polymers built from monomers called ____.
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nucleotides
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3 things a nucleotide is composed of
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1) 1 base
2) 1 monosaccharide 3) 1 phosphate |
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structure of DNA vs. RNA
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DNA is missing 2nd -OH group
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Condensation occurs when ____ are formed; water is given off.
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nucleotides
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C-1 and C-5 position of nucleotide
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C-1: base
C-5: phosphate |
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root of pyrimidine
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-idine
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root of purine
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-osine
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____ is part of a nucleotide with no phosphate component.
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nucleoside
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Each nonterminal phaosphate has ___ charge
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-1
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