translation quiz

Question 1

what is translation?

Answer 1

production of protein from RNA

Question 2

How many nucleotides make a codon?

Answer 2

3

Question 3

How many reading frames does a molecule of DNA have?

Answer 3

6

Question 4

Assuming that you start with a methionine, what would be the peptide sequence for the following piece of DNA?
AAATGCCTCATAC

Answer 4

MPH

Question 5

why is the genetic code is degenerate?

Answer 5

you can translate from RNA to protein, but you cannot determine the exact RNA sequence from a given protein sequence.

Question 6

features of mRNA in eukaryotes?

Answer 6

• Multiple ribosomes will bind to the mRNA at the same time
• The mRNA only encodes for one protein.

Question 7

what is the wobble base

Answer 7

third nucleotide in the codon

Question 8

features of tRNA?

Answer 8

• The enzyme aminoacyl-tRNA synthetases attach the amino acid to the tRNA.
• There is a unique tRNAs for each codon.

Question 9

what is tRNA?

Answer 9

transfer RNA.

Question 10

what is the structure of tRNA?

Answer 10

clover leaf-like structure

Question 11

what does the growing peptide chain have?

Answer 11

amino acids added to the C-terminal end of the peptide chain

Question 12

where can ribosomes be found?

Answer 12

attached to the ER or in the cytosol.

Question 13

what do ribosomes consist of?

Answer 13

two protein subunits.