DNA

Segments of DNA are called _______________________

• Genes

• Alleles

• Traits

• Chromosomes

What are the structures in this image called?

• chromosomes

• centromere

• sister chromatids

• chromatin

Long strands of DNA are wrapped into

• DNA

• Chromosome

• Alleles

• Phenotype

the base that pairs with Thymine in DNA

• adenine
• guanine
• helicase
• nucleotide

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

How many chromosomes do human cells have?

• 46

• 23

• 2

• 44

What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into
• something inside the nucleus
• a piece of DNA
• all of your DNA