Bio 12 Protein Synth and Enzymes

Which of the following is most likely to determine the function of a protein?

• what part of the cell needs it

• where it is located at any point in time

• its structure based on the introns in the genes

• its structure based on the sequence of amino acids

Genetic information on DNA is copied onto mRNA during ____________ and mRNA is decoded into amino acids to form polypeptide chains through _____________.

• translation, transcription

• transcription, translation

• replication, transcription

• translation, replication

The bottom of the tRNA molecule joins with the mRNA molecule because it has the _________ that complements the _______ on mRNA.

• codon, anticodon

• anticodon, codon

• amino acid, nucleotide

• nucleotide, amino acid

rRNA is a form of RNA that...

• makes up a ribosome

• carries amino acids to the ribosome

• transfers the genetic code to the nucleus

• copies the genetic code from DNA

The Central Dogma of Molecular Biology describes the directional flow of genetic information from...

• DNA->mRNA->protein

• protein->mRNA->DNA

• DNA->protein->mRNA

• mRNA->DNA->protein

What enzyme in the nucleus helps mRNA form?

• DNA polymerase

• RNA polymerase

• helicase

• primase

What are the monomers (subunits) of proteins?

• DNA

• Codons

• Amino Acids

• RNA

Where does transcription occur in the eukaryotic cell?

• Cytoplasm

• Cell Membrane

• Nucleus

• Ribosome

What is the name of bonds that hold amino acids together?

• Peptide bonds

• Protein bonds

• Hydrogen bonds

• Phosphodiester bonds

What is Thymine replaced with in RNA?

• Uracil

• Guanine

• Adenine

• Cytosine