HBIO CH-10 :PROTEIN SYNTHESIS & MUTATIONS (REASSIGNED #2)

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

Genes for medically important proteins can be cloned and inserted into bacteria, as shown in the diagram below. Why can bacteria recognize a human gene and then produce a human protein?

•  DNA replication in bacteria and humans is the same.
• . Bacterial cells contain the same organelles as human cells. 
• The basic components of DNA are the same in humans and bacteria.
• Bacterial cells and human cells contain the same kind of chromosomes.

Tags

NGSS.HS-LS1-1

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 process is going on in this photo? 

• Transcription 
• Translation 
• Replication 
• All the above 

Tags

NGSS.HS-LS1-1

The process to go from mRNA to a protein is called ____

• transcription
• rRNA
• replication
• translation

The process to go from DNA to mRNA is _______

• translation
• transcription
• replication

What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA

• Met-Pro-Ala-Val
• Met-Pro-Val
• Tyr-Gly-His
• Tyr-Gly-Arg-His

Tags

NGSS.HS-LS1-1

What is the three base sequence of mRNA that codes for a single amino acid?

• Anticodon
• Codon
• Protein