DNA Structure and Function

What is DNA short for?

• Deoxyribonucleic actinium

• Deoxyribonucleic acid

• Dolabriform acetylene

• Decipherable nucleotide

Where is DNA located in the cells?

• In the cytoplasm

• In the nucleus

• In the mitochondria

• In the cell membrane

What is the structure of the DNA molecule?

• Single strand

• Double helix

• Triple helix

• Spiral staircase

How many pairs of chromosomes make up a complete set?

• 23

• 46

• 20

• 30

What does DNA identify?

• Only living organisms

• Only humans

• All living organisms

• Only plants

How is DNA material obtained for research?

• From a blood sample

• From a hair sample

• From a nail clipping

• From a sweat sample

What is DNA testing commonly used for?

• Identifying family history

• Predicting future illnesses

• Studying plant genetics

• Analyzing environmental factors

How is DNA technology used in archeology?

• To identify ancient mummy's diet

• To breed animals

• To extract DNA from fossils

• To study ancient civilizations

What does DNA give to living organisms?

• Only physical traits

• Only behavioral traits

• Both physical and behavioral traits

• Only internal traits

What can DNA testing show about family members?

• Their ages

• Their migration patterns

• Their favorite colors

• Their language skills