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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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