Genetics and Cell Biology Concepts

What does DNA stand for?

• Deoxyribonucleic Acid

• Deoxyribose Nucleic Acid

• Double Nucleic Acid

• Dynamic Nucleic Acid

What is the chemical that all of our genetic material is made of?

• Protein

• Amino acid

• DNA

• RNA

DNA is described as a polymer. What does this mean?

• It is a single, long strand.

• It is made up of many similar units stuck together.

• It is a type of protein.

• It is found only in the nucleus.

How many strands make up the DNA double helix?

• One

• Two

• Three

• Four

What does "double helix" mean in the context of DNA?

• A single-stranded ladder

• A triple-stranded coil

• A double-stranded spiral

• A straight line of genetic material

If you unraveled all the DNA from a single cell, approximately how long would it be?

• 2 centimeters

• 2 meters

• 2 millimeters

• 2 kilometers

Where is DNA found within a cell?

• Cytoplasm

• Nucleus

• Cell membrane

• Mitochondria

What is the purpose of DNA being tightly coiled into chromosomes?

• To make it easier to read

• To prevent it from getting tangled and fit inside the nucleus

• To increase its length

• To allow it to leave the nucleus

How many chromosomes are typically found in each human cell?

• 23

• 46

• 92

• 100

How many different types of chromosomes are there in human cells?

• 23

• 46

• 2

• 1