DNA Structure and Components

What is the structure labeled as 'Chromosome' in the diagram?

• Cell

• DNA

• Chromosome

• Histone

Fill in the blank: The structure labeled as 'DNA' is a part of the ____.

• Cell

• Chromosome

• Histone

• Nucleus

Which part of the cell contains the DNA?

• Cytoplasm

• Nucleus

• Ribosome

• Mitochondria

What is the role of the 'Cell' in relation to DNA?

• It destroys DNA

• It synthesizes DNA

• It houses DNA

• It modifies DNA

Fill in the blank: The 'DNA' is tightly coiled around ____.

• A) Lipids

• B) Histones

• C) Carbohydrates

• D) Proteins

What is the structure of DNA compared to?

• A straight line

• A twisted ladder

• A flat sheet

• A spiral staircase

What are the basic units that make up DNA?

• Proteins

• Nucleotides

• Lipids

• Carbohydrates

A nucleotide is composed of a sugar, a phosphate group, and a ______.

• Lipid

• Base

• Protein

• Carbohydrate

Fill in the blank: The nitrogenous base Adenine is a ______.

• Purine

• Pyrimidine

DNA is copied during the synthesis (S) phase of ________.

• Mitosis

• Interphase

• Cytokinesis

• Meiosis