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15 Cards in this Set
- Front
- Back
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Where is the DNA located in prokaryotes?
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In the cytoplasm
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What is the single strain of DNA molecule located in the prokaryote called?
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the cell's chromosome
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Where is the DNA located in eukaryotics?
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in the nucleus
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What is the difference in DNA of a prokaryotic and eukaryotic?
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Eukaryotics will have 1,000 of DNA while the prokaryotics will have just one.
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Chromosomes of the eukaryotic contain both ___ and _____.
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DNA and protein
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DNA and protein packed together form a substance called _____________.
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chromatin
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Chromatin consists of DNA that is tightly coiled around proteins called _________.
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histones
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DNA and histones form a beadlike structure called ____.
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nucleosome
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What is the function of nucleosomes?
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DNA folding in the cell's nucleus
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The duplication of DNA in cell division is called __________.
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replication
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What happens during the replication process?
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1)DNA molecule separates into two strands
2) produces two new complementary strands, following the rules of base pairing |
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DNA replication is carried out by a series of ________.
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enzymes
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How does the enzyme work in replication?
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The enzyme unzips the DNA by breaking the hydrogen bond between the base pairs.
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The principal enzyme involved in DNA replication is called ____ ______.
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DNA polymerase
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What is the role DNA polymerase in DNA replication?
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1. joins individual nucleotides to produce DNA
2. proofreads the DNA |
