Exploring the Structure and Function of Chromosomes

What is the correct order from largest to smallest among chromosome, base pair, genome, and gene?

• Chromosome, Genome, Gene, Base Pair

• Genome, Chromosome, Gene, Base Pair

• Gene, Chromosome, Genome, Base Pair

• Genome, Gene, Chromosome, Base Pair

How many chromosomes does a typical prokaryotic cell have?

• Two

• Hundreds

• One

• Twenty-three

What shape do chromosomes inside a nucleus typically resemble?

• Circle

• X

• Y

• Line

What is a genome?

• A single gene

• A type of chromosome

• All genetic information in a cell

• A protein

What are sister chromatids?

• Different types of genes

• Segments of DNA that code for proteins

• Identical chromosomes in a pair

• Proteins around which DNA wraps

What is the role of histone proteins?

• To create chromosomes

• To transfer genetic information

• To wrap DNA into nucleosomes

• To duplicate DNA

What does a gene code for?

• A nucleosome

• A chromosome

• A base pair

• A specific protein

How many genes do humans approximately have?

• About 200,000

• About 20,000

• About 2 million

• About 2,000

Which base pair is correctly matched?

• Adenine to Guanine

• Thymine to Cytosine

• Adenine to Thymine

• Cytosine to Adenine

What are base pairs?

• The smallest units of genetic information

• Segments of DNA that code for proteins

• Proteins that help in DNA replication

• Types of chromosomes