What is a Chromosome?

What are the fundamental building blocks of DNA?

• Proteins

• Amino acids

• Nucleotides

• Sugars

What does a gene primarily code for?

• Lipids

• Carbohydrates

• Proteins

• Vitamins

What is a chromosome primarily composed of?

• Only DNA

• DNA wrapped around stabilizing proteins

• RNA and lipids

• Sugars and phosphates

How many pairs of chromosomes are typically found in human cells?

• 22 pairs

• 23 pairs

• 46 pairs

• 48 pairs

What happens to chromosomes when a cell prepares to reproduce (divide)?

• They dissolve into individual nucleotides

• They are copied and condensed like spools of yarn

• They leave the nucleus and move into the cytoplasm

• They permanently separate and never rejoin