Nucleic Acids and DNA Replication

DNA is responsible for

• Creating ribosomes

• Storing genetic information

• Relaying genetic information to other parts of the cell

• Building proteins

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What is the monomer that make up nucleic acids?

• Monosaccarides

• Fatty Acids

• Amino Acids

• Nucleotides

Which 2 molecules form the sides (backbone) of the DNA ladder?

• ribose sugar and phosphate

• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the bases

• deoxyribose sugar and phosphate

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

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In prokaryotes, DNA

• is linearly arranged.

• is located in the ribosomes.

• floats freely in the cytoplasm.

• is located in the nucleus.

The bonds that join nucleotides together in DNA and RNA are called:

• Peptide Bonds

• Ester Bonds

• Glycosidic Bonds

• Phosphodiester Bonds

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What is the difference between DNA and RNA in terms of bases?

• RNA contains uracil in place of thymine
• RNA contains uracil in place of adenine
• RNA contains uracil in place of guanine
• RNA contains uracil in place of  cytosine

This picture is illustrating the ____ nature of DNA.

• anti-parallel

• deoxyribosic

• helical

• semi-conservative

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The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be

• Semi- Conservative

• Semi-discontinuous

• Continuous

• Fully-Conserveative

The picture below shows an enzyme unwinding and unzipping DNA.

​

​What is the name of this enzyme?

• DNA Helicase

• DNA Ligase

• DNA polymerase

• RNA Polymerase

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