Protein Synthesis Retrieval

Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

A nucleotide is made up of three parts:  which of these is not one of those parts?

• sugar
• phosphate
• amino acids
• base

What is the role of the ribosome?

• Contains genetic information

• Photosynthesis

• Protein synthesis

• Package and modify proteins

Amino acids are joined together...

• at the membrane

• in the mitochondria

• in the nucleus

• at the ribosome

Transcription and translation are stages in the synthesis of proteins. Which enzyme is involved in the process of transcription?

• DNA ligase

• lysosomes

• RNA polymerase

• Amylase

The second stage of protein synthesis produces a

• polypeptide made of amino acids

• polypeptide made of bases

• strand of mRNA made of amino acids

• strand of mRNA made of bases

The two strands of nitrogenous bases in DNA are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

A DNA strand has this sequence of bases.

C  A  T   T  C  A   A  T  T   C  A  T   T  T  C

How many amino acids does this sequence of bases code for?

• 1

• 3

• 5

• 15

The diagram shows one strand of DNA from a section of a gene.

ATTCCGAGT

What would be the complementary sequence of bases on the messenger RNA produced from this strand of DNA?

• TAAGGCTCA

• ATTCCGAGT

• UAAGGCUCA

• AUUCCGAGU

DNA is used as a template for protein synthesis.

Which of the following is the correct sequence for this synthesis?

• DNA → transcription → mRNA → translation → amino acid chain

• amino acid chain → mRNA → transcription→ DNA → translation

• DNA → translation → mRNA → transcription → amino acid chain

• mRNA → translation → transcription → amino acid chain → DNA