Protein Synthesis

Although slight variations do exist, the genetic code is universal. Nearly all organisms use the same genetic code to translate mRNA to protein.

• true

• false

Tags

NGSS.HS-LS1-1

What is the end product of translation?

• mRNA that can leave the nucleus

• Amino acid chain

• monosaccharide chain

• Anticodon

A certain gene codes for a polypeptide that is 120 amino acids long. Approximately how many nucleotides long is the mRNA that codes for this polypeptide likely to be?

• 360

• 480

• 40

• 30

Translate the following RNA sequence:
AUG AAU UGU UGA

• Met-Phe-Cys-Stop

• Met-Asn-Cys-Stop

• Met-Asn-Cys-Trp

• Tyr-Leu-Thr

What process is going on in this photo? 

• Transcription 

• Translation 

• Replication 

• All the above 

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

• amino acids; peptide

• fatty acids; ionic

• proteins; hydrogen

• fatty acids; covalent

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What amino acid is represented by the codon UUA?

• Phenylalanine

• Tyrosine

• Leucine

• Stop codon

Tags

NGSS.HS-LS1-1

What is the role of mRNA

• Carry an amino acid to the ribosome

• Copy the instructions from DNA and carry it out of the nucleus

• Make up the ribosomes

What is the mRNA for the following DNA strand?

• GCT AGC

• ATG CAT

• AUG CAU

Where does Translation occur?

• Nucleus

• Ribosome

• ER

• Chloroplast