Question

Name the bond that links:
1. Amino acids in a protein
2. Monosaccharides in a carbohydrate
3. Phosphate and hydroxyl group in DNA
4. Nitrogen bases of two polynucleotide strands in DNA

Answer 1

1.  peptide bond
2.  glycosidic bonds
3.  phosphodiester bond
4.  covalent bonds

Answer 2

1. Peptide bond
2. Glycosidic linkage
3. Phosphodiester bond
4. Hydrogen bonds