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Week Ten Science Warm Ups

1. Nucleotides are the basis of the DNA molecule. Name the components of a nucleotide.

Answer: Phosphate groups, deoxyribose (a five carbon sugar) and nitrogenous bases.

2. What is the spiral shape of a DNA molecule called?

Answer: double helix

3. Name the four nitrogenous bases and correctly pair them with one another.

Answer: Adenine always bonds with thymine.
Cytosine always bonds with guanine.

4. What is the process that produces RNA from the information in DNA?

Answer: transcription

5. RNA contains the base uracil. What base does it replace from DNA?

Answer: thymine

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