Vocabulary LT #1 Flashcards

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1
Q

DNA

A

Molecule that stores genetic information in all organisms

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2
Q

Histone

A

Protein that organizes chromosomes and wraps around DNA

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3
Q

Chromatin

A

A form of DNA during interphase - loose stringy mass

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4
Q

Chromatid

A

One half of a duplicated chromosome *S phase of interphase

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5
Q

Sister Chromatid

A

The Result after DNA replication -
2 identical chromatids

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6
Q

Centromere

A

Connects sister chromatids together; spindle fibers attach here

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7
Q

Chromosome

A

DNA that consists of numerous genes condensed together

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8
Q

Telomere

A

Repeating nucleotide at the ends of DNA molecules that do not form genes and help prevent the loss of genes. (Telomere shortens after each replication)

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