Which of the following basic molecular building blocks would
     Which of the following basic molecular building blocks would be found in chromosomes?  nucleotides and lipids  nucleotides and carbohydrates  nucleotides only  nucleotides and amino acids 
  
  Solution
Generally chromosomes have condensed DNA organized around histone proteins to form chromatin. We know that DNA is polymer of nucleotides whereas protein (histone for example) is a polymer of aminoacids. Therefore answer is nucleotides and aminoacids.

