DNA Replication/Protein Synthesis

Which choice describes DNA after replication has taken place?

• one molecule with two original strands and one molecule with two new strands
• two molecules, each with one original and one new strand
• two molecules, each with two new strands
•  two molecules, each with two old strands

The sequence of DNA below is part of a gene. How many amino acids are coded for by this segment? 

• 4
• 8
• 12
• 20

Which of the following carries amino acids to the site of protein synthesis? 

• mRNA
• rRNA
• tRNA
• nRNA

The diagram below represents a portion of a DNA molecule. The letters represent different types of 

• sugar molecules
• nitrogen bases
• enzymes
• proteins

What 3 things make up a nucleotide?

• Sugar, Phosphate, Nitrogen Base
• Sugar, Hydrogen, Carbon
• Carbon, Phosphate, Nitrogen
• mRNA, tRNA and rRNA

How many base pairs would be needed to chain together 3 amino acids?

• 3
• 6
• 9
• 12

What is assembled during transcription?

• transfer RNA
• messenger RNA
• DNA replication
• court proceedings

What is made during translation?

• transfer RNA
• messenger RNA
• Proteins
• Spanish Rice

What amino acid would be coded for by the DNA UUU?

• Lysine

• Phenylalanine

• Leucine

A 3 nucleotide sequence of mRNA

• codon
• anticodon