From DNA to Protein

The main difference between the four nucleotides that make up DNA is that they have different

• sugars

• uracil

• bonds

• bases

Which of the following sequences best describes the flow of information that takes place when a gene directs the synthesis of a cellular component?

• RNA-DNA-RNA-PROTEIN

• DNA-RNA-PROTEIN

• PROTEIN-RNA-DNA

• DNA-AMINO ACID-RNA-PROTEIN

Tags

NGSS.HS-LS1-1

What 3 things make up a nucleotide?

• Sugar, Phosphate, Nitrogen Base

• Sugar, Hydrogen, Carbon

• Carbon, Phosphate, Nitrogen

• mRNA, tRNA and rRNA

Tags

NGSS.HS-LS1-1

What makes DNA different from RNA?

• they type of phosphate

• the type of sugar

• having C pair with G

• Having A's

The RNA codon AUG means

• add amino acid methionine

• start the protein here

• add the amino acid tyrosine

• end the polypeptide chain here

When RNA is being made, the RNA base ____ always pairs with the base ___ in DNA.

• U-T

• T-G

• U-A

• A-U

If you have a DNA triplet: GTA, what will the mRNA codon be?

• GTA

• CAU

• CUA

• GAU

Where does translation take place in the cell?

• nucleus

• ribosome

• golgi apparatus

• endoplasmic reticulum

mRNA codon is UAG, what is the DNA sequence?

• ATC

• AUC

• TAC

• AAC

What organelle is the site of translation?

• Nucleus

• Ribosome

• Mitochondria

• Chloroplast