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17 Cards in this Set
- Front
- Back
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What does DNA stand for? |
Deoxyribonucleic acid
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What does RNA stand for? |
Ribonucleic acid
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Sugar component in DNA |
Deoxyribose
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Sugar component in RNA |
Ribose |
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Name the two purines |
Adenine and Guanine
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Name the three pyrimidines |
Cytosine, Thymine and Uracil
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How many rings do purines have? |
Two |
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What type of bonds hold the two strands of DNA together? |
Hydrogen bonds |
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Why do the bases pair; A to T and C to G?
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They have a complementary shape |
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Which bonds are stronger hydrogen bonds or covalent bonds? |
Covalent bonds |
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DNA replication occurs during which phase of the cell cycle?
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Interphase |
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Which enzyme joins the sugar-phosphate backbone of each new DNA strand to form a DNA polymer?
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DNA polymerase
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Name the three types of RNA? |
Messenger RNA (mRNA)
Transfer RNA (tRNA) Ribosomal RNA |
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Where is messenger RNA (mRNA) found? |
Made in the nucleus and travels to cytoplasm
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Where is transfer RNA (tRNA) found? |
Cytoplasm
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Where is ribosomal RNA found? |
In the ribosomes, they are free in cytoplasm or attached to rough ER
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Where are polypeptides made? |
In the cytoplasm |
