7.4 vocab quiz

Question 1

Site on the large ribosomal subunit that holds the t-RNA molecules with the growing polypeptide

Answer 1

Peptidyl or P-site

Question 2

Site on the large ribosomal subunit that accepts an incoming charged aminoacyl-tRNA molecule.

Answer 2

Aminoacyl or A-site

Question 3

Part of the ribosomes that contains the mRNA-binding sequence.

Answer 3

Small Ribosomal Subunit

Question 4

A group of three bases on mRNA that specifies a particular amino acid

Answer 4

codon

Question 5

A triplet of nucleotides in a tRNA that can base pair with its counterpart in mRNA.

Answer 5

anticodon

Question 6

Delivers its linked amino acid to the ribosome for protein synthesis.

Answer 6

tRNA

Question 7

The RNA component of the ribosome and is essential for protein synthesis.

Answer 7

rRNA

Question 8

A group of three bases that specifies a particular amino acid

Answer 8

codon

Question 9

UAA, UAG, UGA

Answer 9

stop codon

Question 10

AUG

Answer 10

start codon

Question 11

Region in the mRNA that begins with the start codon and specifies the entire amino acid sequence of a polypeptide.

Answer 11

Coding sequence

Question 12

Characteristic of the genetic code that estates that every codon specifies for only one amino acid

Answer 12

Unambigous

Question 13

Characteristic of the genetic code that estates that more than one amino acid can be specified by more than one codon

Answer 13

Redundant

Question 14

Characteristic of the Genetic Code that estates that codons that specify for the same amino acid often share the first two bases (nucleotides)

Answer 14

Conservative