Exam Questions with 100% Correct
Answers | Latest Update
The flow of information in a cell proceeds in what sequence? - 🧠 ANSWER
✔✔from DNA to RNA to protein
A codon consists of ____ bases and specifies which _____ will be inserted
into the polypeptide chain - 🧠 ANSWER ✔✔three
amino acid
Where does RNA polymerase begin transcribing a gene into mRNA? - 🧠
ANSWER ✔✔it starts after a certain nucleotide sequence called a promoter
, What is the function of RNA polymerase? - 🧠 ANSWER ✔✔it unwinds the
double helix and adds nucleotides to a growing strand of RNA
After an RNA molecule is transcribed from a eukaryotic gene, what are
removed to produce an mRNA molecule with a continuous coding
sequence? - 🧠 ANSWER ✔✔introns
After an RNA molecule is transcribed from a eukaryotic gene, what are
spliced together to produce an mRNA molecule with a continuous coding
sequence? - 🧠 ANSWER ✔✔exons
What is a ribozyme? - 🧠 ANSWER ✔✔biological catalyst made of RNA
What are some examples of biological catalysts containing RNA? - 🧠
ANSWER ✔✔ribozymes, snRNAs, ribosomes
tRNA is ___ stranded - 🧠 ANSWER ✔✔single
How is translation initiated? - 🧠 ANSWER ✔✔the start codon signals the
start of translation
the small ribosomal subunit binds to the mRNA
the tRNA bearing methionine binds to the start codon
the large ribosomal subunit binds to the small one