AP Biology Central Dogma

What must happen to a newly made polypeptide before it can be secreted from a cell?

• it must be translated by a ribosome found in the cytoplasm of the cell and then sent toward the cell membrane

• it must be produced by a ribosome on the rough ER and sent to the golgi apparatus

• It must be produced by a ribosome in the golgi apparatus and sent to the rough ER.

A possible sequence of nucleotides in the template strand of DNA that would code for the polypeptide sequence phe-leu-ile-val would be?

• 5'-TTG-CTG-CAG-TAG-3'
• 3'-AAC-GAC-GUC-AUA-5'
• 3'-AAA-AAT-ATA-ACA-5'
• 3'-AAA-GAA-TAA-CAA-5'

Tags

NGSS.HS-LS1-1

What amino acid sequence will be produced based on the mRNA codon sequence
5'-AUG-UCU-UCG-UUA-UCC-UUG-3'

• met-ser-leu-ser-leu-ser
• met-ser-ser-leu-ser-leu
• met-leu-phe-arg-glu-glu
• met-glu-arg-arg-glu-leu

Tags

NGSS.HS-LS1-6

What is a promoter?

• Sequence of DNA at the beginning of the gene that tells RNA polymerase where to start transcription.

• Sequence of RNA that tells the ribosome where to start translation.

• Sequence of DNA at the beginning of the gene that tells the ribosome where to start transcription

• Sequence of RNA that tells RNA polymerase where to start translation.

In RNA, Uracil pairs with ______. 

• cytosine
• adenine
• guanine
• thymine

The process to go from DNA to mRNA is _______

• translation
• transcription
• replication

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

• transcription
• rRNA
• replication
• translation

What is a peptide bond?

• Bond that holds two amino acids together.
• A bond that holds hydrogen and oxygen molecules together.
• A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
• A bond that is formed by the sharing of electrons.

Tags

NGSS.HS-LS1-6

The image shows part of a polypeptide. What determines the order in which the amino acids are connected to each other in the polypeptide?

• the chemical structure of each R-group in the amino acid

• the order of the the nitrogenous bases in a gene

• the random nature of ribosome function

• the sequence of amino acids that make up the gene

Tags

NGSS.HS-LS1-1

Which of the following does not occur in prokaryotic gene expression but does occur in eukaryotic gene expression?

• mRNA, tRNA, and rRNA are transcribed
• RNA polymerase binds to the promotor
• a poly-A tail is added to the ends of the mRNA
• Transcription can begin as soon as translation has begun even alittle