ONR_DNA Structure and Function

What does DNA stand for?

• DeoxyriboNucleic Acid

• DiNitroAcetic Acid

• Deoxyribonucleotide Acid

• Dinitrogen Oxide Acid

Which scientist used an X-Ray technique to develop "Photo 51" that showed the spiral shape of DNA?

• Watson

• Crick

• Franklin

• Wilkins

What is the shape of DNA as discovered by Watson and Crick?

• Double helix

• Single strand

• Triple helix

• Linear chain

What are the three parts that make up a nucleotide?

• Sugar, Phosphate, Nitrogen bases

• Amino acids, Sugar, Phosphate

• Sugar, Phosphate, Fatty acids

• Amino acids, Fatty acids, Nitrogen bases

What determines the genetic code in DNA?

• The number of nucleotides

• The order of nucleotides

• The length of the DNA strands

• The type of sugar in the nucleotides

What do nitrogen bases in DNA pair with?

• Adenine pairs with Guanine

• Thymine pairs with Cytosine

• Adenine pairs with Thymine and Cytosine pairs with Guanine

• Adenine pairs with Cytosine and Thymine pairs with Guanine

If one side of the DNA reads ATTCGGATC, what must the second side read?

• UAAGCCUAG

• TAAGCCTAG

• TAGGCCUAG

• TAAGCCUAG

What is DNA sometimes called because it contains the instructions for building an organism and ensuring that the organism functions correctly?

• The code of life

• The blueprint of life

• The map of life

• The script of life

What is a gene?

• A section of DNA that codes for a certain protein/trait

• A section of DNA that codes for a certain allele

• A section of DNA that codes for a certain enzyme

• A section of DNA that codes for a certain cell type

How many nucleotides make up a codon?

• 2

• 3

• 4

• 5