**AP Bio DNA Structure/Replication/Protein Synthesis**

Which ribosome part contains a tRNA after it has dropped off its amino acid & is about to exit?

• A site
• P site
• E site
• B site

The existance of which process disproves the "one gene, one protein" theory?

• transcription
• translation
• RNA processing 
• RNA splicing (editing)

How many nucleotides code for each amino acid?

• 1
• 2
• 3
• 64

Which represents the correct order of "the central dogma of molecular biology"?

• protein to DNA to mRNA to trait
• DNA to mRNA to protein to trait
• DNA to protein to mRNA to trait
• trait to DNA to protein to mRNA

What helps RNA polymerase attach to a gene in transcription? Also, name the gene section. (Ch 13)

• transcription factors, elongator

• transcription factors, promoter

• enzymes, terminator

• enzymes, promotoer

Area of the ribosome that holds the tRNA that is carrying the growing polypeptide chain?

• A
• P
• E
• X

The end of the growing RNA strand in transcription to which RNA polymerase can add nucleotides? (Think: Reading DNA 3' to 5', creating 5' to .....)

• 3'

• 5'

• 1'

• 2'

Which of the following represent the order that a codon goes through the ribosome sites? (Except for the very first tRNA)

• A->P->E

• P->A->E

• E->A->P

• A->E->P

Flexible base pairing between some tRNAs & codons where 3rd base can mismatch?

• wobble
• gobble
• autonomy
• mismatch

Transcribe this DNA sequence to mRNA: AAACCGGCC

• UUUGGCCGC
• TTTGGCGGG
• TTTGGCCGG
• UUUGGCCGG