DNA Replication and Protein Synthesis

At what point in the cell cycle does DNA replication occur and why?

• before a cell divides, to provide each of the two resulting cells with a complete set of DNA instructions
• before a cell divides, to ensure that the DNA will fit into the resulting cells
• during cell division, to ensure that the DNA will fit into the resulting cells
• after a cell divides, to provide each of the two resulting cells with a complete set of DNA instructions 

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

Tags

NGSS.HS-LS1-1

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

Tags

NGSS.HS-LS1-1

What is the correct amino acid sequence for the mRNA code AUG CCA GUA UGA

• Met-Pro-Ala-Val

• Met-Pro-Val

• Tyr-Gly-His

• Tyr-Gly-Arg-His

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Translation is the process where

• mRNA is created in the Nucleus
• mRNA is decoded to form a protein 
• glucose molecules are made
• is where lipids are synthesised

What is the location in the cell for transcription?

• nucleus
• cytoplasm
• ribosome
• mitochondria

Which component of DNA determines the traits of an organism? 

• Nitrogen Bases
• Sugar-Phosphate Backbone
• Hydrogen bonds

Tags

NGSS.HS-LS3-1

In DNA, Adenine pairs with ___________. 

• Guanine
• Cytosine
• Thymine
• Uracil