Which one of the following is the simplest amino acid?
Glycine
Lysine
Aspartic acid
Phenylalanine
Monomeric protein has
One polypeptide chain
Two polypeptide chains
Three polypeptide chains
None of these
Which one of the following is called energy giver?
Nucleic acid
Biomembrane
Carbohydrate
Protein
Coenzyme is
Always a protein
Always an inorganic
Often a metal
Often a vitamin compound
In C4 plants initial CO2 fixation occur in the chloroplast of
Guard cells
Pallicade tissue
Mesophyll cells
Bundle sheath cells
Enzymes are
Proteinous or Proteinaceous
Nutritive substances
Supplementary foods
Make up of amino acids only
In nitrogen cycle, the nitrifying bacteria
Convert ammonia into nitrogen.
Fix atmospheric nitrogen.
Convert ammonia into nitrates.
Convert amino acids into ammonia.
The information about proteins may be accessed from the database
http://www.ncbi.n/m.nih.gov/Entrez
http://www.ncbi.nlm.nih.gov/genomes
http://www.Sanger.ac.uk
http://www.rcsb.pdb.org
Edman's method of protein sequencing was developed by
Fred Sanger
Pehr Edman
Christian Anfinsen
The repeating units of glycogen are
Glucose
N-acetyl glucosamin
Fructose
Nucleotides