Biomolecules

Glucose does not react with

• NH2OH

• Conc. HNO3

• (CH3CO)2O

• NaHSO3

Glucose on oxidation with Br2(aq) gives

• Gluconic acid

• Tartaric acid

• Sachharic acid

• Meso-oxalic acid

In aqueous solution, an amino acid exist as

• cation

• anion

• zwitter ion

• neutral molecule

Proteins are found to have two different types of secondary structures viz. α-helix and β-pIeated sheet structure, α-helix structure of protein is stabilised by

• Peptide bonds

• van der Waals forces

• Hydrogen bonds

• Dipole-dipole interactions

Nucleic acids are the polymers of __________ .

• Nucleosides

• Nucleotides

• Bases

• Sugars

Identify the biomolecule

• Carbohydrate
• Lipid
• Protein
• Nucleic Acid

Identify the biomolecule

• Lipid
• Protein
• Carbohydrate
• Nucleic Acid

Tags

NGSS.HS-LS1-1

What is the monomer for a protein?

• Monosaccharide
• Triglyceride
• Amino Acid
• Nucleotide

Each polypeptide in a protein has aminoacids linked with each other in a specific sequence. This sequence of amino acids is said to be __________ .

• primary structure of proteins.

• secondary structure of proteins

• tertiary structure of proteins.

• quaternary structure of proteins.

α-D (+) glucose and β-D (+) – glucose are

• Enantiomers

• Geometrical isomers

• Anomers

• Epimers