Central Dogma Review

Which of the following represents the maximum number of amino acids that could be incorporated into a polypeptide encoded by 21 nucleotides of messenger RNA?

• 3
• 7
• 21
• 42

If a messenger RNA codon is UAC, which of the following would be the complementary anticodon triplet in the transfer RNA?

• ATG
• AUC
• AUG
• ATT

The base composition of DNA varies from one species to another.  Which of the following ratios would you expect to remain constant in the DNA?

• Cytosine: Adenine
• Pyrimidine: Purine
• Adenine: Guanine
• Guanine: Deoxyribose

All of the following are differences between prokaryotes and eukaryotes EXCEPT

• eukaryotes have linear chromosomes, while prokaryotes have circular chromosomes
• eukaryotes pssess double stranded DNA, while prokaryotes possess single stranded DNA
• eukaryotes process their mRNA, while in prokaryotes, trascription and translation occur simultaneously
• eukaryotes contain membrane bound organelles, while prokaryotes do not

What is the name for when DNA makes another copy of itself?

• transcription
• translation
• replication
• duplication

What is the name for when the info in a gene is turned into RNA?

• translation
• replication
• transcription
• duplication

What is the name for when the RNA info is read and turned into a protein?

• transcription
• transcribation
• translation
• replication

Where is replication located?

• nucleus
• cytoplasm
• ribosome
• nucleolus

Where does transcription take place?

• nucleus
• cytoplasm
• rough ER
• mitochondrion

What is the name for this RNA --> proteins?

• translation
• transcription
• replication
• none of these