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14 Cards in this Set

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  • Back
____ is a complex of protein and DNA molecule.
chromosome
Is a chromosome organized when active or inactive?
active
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.
chromatin
During cell division, chromatin organizes itself into a ____.
chromosome
____ are instructions that direct the synthesis of a single polypeptide.
genes
RNA and DNA are polymers built from monomers called ____.
nucleotides
3 things a nucleotide is composed of
1) 1 base
2) 1 monosaccharide
3) 1 phosphate
structure of DNA vs. RNA
DNA is missing 2nd -OH group
Condensation occurs when ____ are formed; water is given off.
nucleotides
C-1 and C-5 position of nucleotide
C-1: base
C-5: phosphate
root of pyrimidine
-idine
root of purine
-osine
____ is part of a nucleotide with no phosphate component.
nucleoside
Each nonterminal phaosphate has ___ charge
-1