DNA, Genes, & Chromosomes

The yellow part of this picture is DNA. What do you think the turquoise part around it is?

• chromosome
• gene
• DNA
• ACTG

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

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

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

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the nitrogen bases
• the order (sequence) of the nitrogen bases
• the color of the nitrogen bases
• the frequency (number) of nitrogen bases

Where is DNA found in a human cell?

• ribosome

• nucleus

• cell membrane

• cytoplasm

What is a long coiled strand of DNA and proteins?

• gene

• RNA

• chromosome

• genome

How many chromosomes are found in each cell of your body (excluding gametes)?

• 46

• 23

• 40

• 45

Which of the following base pairings is correct?

• T-G, C-A

• A-T, C-C

• A-T, C-G

• A-G, T-C

Name this structure

• double helix

• nucelotide

• amino acid

• monosaccharide