DNA Part 1

What is the full name of DNA?

• Deoxyribonucleic acid

• Deoxyribose acid

• Ribonucleic acid

• Deoxyribose sugar

Segments of DNA which code for specific proteins are called what?

• Chromosomes

• Genes

• Nucleotides

• Bases

Tags

NGSS.HS-LS1-1

DNA may coil and condense into visible structures called what?

• Genes

• Nucleotides

• Chromosomes

• Bases

DNA is a polymer of what?

• Proteins

• Nucleotides

• Amino acids

• Sugars

Which nitrogenous bases are purines?

• Adenine and Guanine

• Cytosine and Thymine

• Adenine and Thymine

• Cytosine and Guanine

Which nitrogenous bases are pyrimidines?

• Adenine and Guanine

• Cytosine and Thymine

• Adenine and Thymine

• Cytosine and Guanine

What chemical bond holds the nitrogenous base pairs together?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Peptide bond

James Watson and Francis Crick, with the help of Rosalind Franklin, determined that DNA is in the shape of a:

• Single helix

• Double helix

• Triple helix

• Quadruple helix

The sides of the DNA ladder are made up of:

• Nitrogenous bases and hydrogen bonds

• Deoxyribose sugar and phosphate

• Proteins and lipids

• Amino acids and enzymes

The rungs or steps of the DNA ladder are composed of:

• Nitrogenous base pairs

• Phosphate groups

• Lipid chains

• Protein sequences