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17 Cards in this Set

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What does DNA stand for?

Deoxyribonucleic acid

What does RNA stand for?

Ribonucleic acid

Sugar component in DNA

Deoxyribose

Sugar component in RNA

Ribose

Name the two purines

Adenine and Guanine

Name the three pyrimidines

Cytosine, Thymine and Uracil

How many rings do purines have?

Two

What type of bonds hold the two strands of DNA together?

Hydrogen bonds

Why do the bases pair; A to T and C to G?

They have a complementary shape

Which bonds are stronger hydrogen bonds or covalent bonds?

Covalent bonds

DNA replication occurs during which phase of the cell cycle?

Interphase

Which enzyme joins the sugar-phosphate backbone of each new DNA strand to form a DNA polymer?
DNA polymerase

Name the three types of RNA?

Messenger RNA (mRNA)

Transfer RNA (tRNA)


Ribosomal RNA

Where is messenger RNA (mRNA) found?

Made in the nucleus and travels to cytoplasm

Where is transfer RNA (tRNA) found?

Cytoplasm

Where is ribosomal RNA found?

In the ribosomes, they are free in cytoplasm or attached to rough ER

Where are polypeptides made?

In the cytoplasm