What is the X-shaped structure shown in the image?

• A protein

• A chromosome

• A cell membrane

• A ribosome

Tags

NGSS.HS-LS3-1

What does the DNA double helix wrap around in the image?

• Lipids

• Carbohydrates

• Proteins

• RNA

Why is it easier to move DNA around the cell during cell division when it is tightly bundled into chromosomes?

• Because it is lighter

• Because it is more compact

• Because it is more flexible

• Because it is more reactive

Tags

NGSS.HS-LS1-4

What bases combine in threes to form codons on messenger RNA (mRNA)?

• A, T, C, and G

• A, U, C, and G

• A, T, U, and G

• D, N, A, and U

Which base takes the place of Thymine (T) in mRNA?

• A. Adenine (A)

• B. Cytosine (C)

• C. Guanine (G)

• D. Uracil (U)

How many bases does each codon in mRNA contain?

• A. Two

• B. Three

• C. Four

• D. Five

In the provided cartoon, what does the red strand represent?

• A. DNA

• B. Protein

• C. mRNA

• D. tRNA

Tags

NGSS.HS-LS1-1

Why is it important for the right amino acids to go in the right position when building proteins?

• To ensure the protein has the correct shape and functions properly

• To make the protein more colorful

• To increase the size of the protein

• To decrease the protein's lifespan

Tags

NGSS.HS-LS1-1

What do the colored balls next to the codons in the chart represent?

• Different types of cells

• Different types of amino acids

• Different types of proteins

• Different types of nucleotides

Which amino acid is coded by the codons CGU, CGC, CGA, and CGG?

• Leucine

• Serine

• Arginine

• Glycine

Tags

NGSS.HS-LS1-6