DNA to Protein Summative Review

DNA controls the traits of an organism through the arrangement of its

• Phosphate molecules

• Chromosomes

• Hydroxyl group

• Nucleotides

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

DNA and RNA have many structural similarities. What do DNA and RNA have in common?

• Pyrimidine bases (C and T)

• Type of sugar

• Purine bases (A and G)

• Attached proteins

If the nucleotide shown above belongs to an RNA molecule, the structure labeled C could be any of the following EXCEPT

• Adenine

• Uracil

• Guanine

• Thymine

If the nucleotide shown above belongs to a DNA molecule, the structure labeled B would be

• Adenine

• Phosphate

• Ribose

• Deoxyribose

What would be the sequence of bases of an mRNA molecule that was transcribed from the sequence of DNA bases shown above?

• G T A G T A G G T

• C A U C A U C C A

• U C G U C G U U C

• A U G A U G A A U

Tags

NGSS.HS-LS1-6

Which base can pair with two other nitrogen bases?

• Uracil

• Cytosine

• Adenine

• Thymine

The bases of DNA include

• Adenine, guanine, cytosine and thymine

• Adenine, guanine, uracil and thymine

• Guanine, uracil, cytosine and thymine

• Adenine, guanine, uracil and thymine

In eukaryotes, DNA molecules are located in the

• Ribosome

• Cytoplasm

• Nucleus

• Histone

Based on this study, what did scientists conclude about the DNA composition of all organisms?

• A and T occur in equal percentages and G and C occur in equal percentages

• A, G, T, and C occur in equal percentages

• A and G occur in equal percentages, and T and C occur in equal percentages

• A and C occur in equal percentages, and T and G occur in equal percentages

What process does this diagram represent?

• Replication

• Transcription

• Translation

• Mutation