Genetics Quiz

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What is the structure of DNA?

• A single-stranded helix
• A double-stranded helix
• A triple-stranded helix
• A circular structure

How many pairs of chromosomes are inside of each cell?

• 3
• 23
• 33
• 32

What are the four nitrogenous bases found in DNA?

• Adenine, Cytosine, Guanine, Uracil
• Adenine, Cytosine, Guanine, Thymine
• Adenine, Guanine, Thymine, Uracil
• Cytosine, Guanine, Thymine, Uracil

Which of the following is another name to describe DNA as a polymer of nucleotides?

• Polynucleotide
• Polymer Nucleotide
• Polynuclear
• Nuclear polymer

What is the function of DNA? (Mark ALL that apply)

• To store information
• Replicate for cell division
• Transcribe and translate into proteins
• Inheritance from generation to generation

Why is DNA replication in cell division important?

• To create genetic diversity
• To repair damaged DNA
• To prevent genetic errors and cellular dysfunction
• To produce new proteins

Where is DNA found in a cell?

• Cytoplasm
• Mitochondria
• Nucleus
• Cell membrane

Which of the following is NOT a step of DNA Replication?

• 2 DNA strands unwind and separate
• Nucleotides pair with exposed bases
• 2 DNA strands are formed
• DNA strands pass through the cell membrane

What is the molecule that forms genes?

• Protein
• RNA
• Lipid
• DNA