translation

Question 1

number of codons that encode for 20 amino a.

Answer 1

64

Question 2

initiation signal and codes for methionine

Answer 2

AUG

Question 3

match amino a. to codons in mRNA

Answer 3

tRNA

Question 4

pairs with the codon on mRNA

Answer 4

anticodon

Question 5

term for several different codosn that can specifiy an amino acid

Answer 5

wobble base pairing

Question 6

wobble location

Answer 6

thrid position

Question 7

covalently couple the amino acid to its appropriate tRNA

Answer 7

aminoacyl-tRNA synthetases

Question 8

proofreading steps fro aa-TRNA synthesis

Answer 8

selection, editing

Question 9

process of amino a. binding to synthetase

Answer 9

activation

Question 10

proteins synthesized in this order

Answer 10

N end to C end

Question 11

Formation of peptide bond favorable because of this attachment

Answer 11

covalent attachment of tRNA

Question 12

performs proteins synthesis using more than 50 proteins and several RNA molecules

Answer 12

ribosome

Question 13

ribosome unit that matches tRNA to codon

Answer 13

small subunit

Question 14

Ribosome unit that catalyzes peptide bond formation

Answer 14

large unit

Question 15

Three tRNA binding sites

Answer 15

E (exit), P (peptide bond formation) and A (activating/entrance)

Question 16

maximum number of binding sites occupied

Answer 16

2

Question 17

stages of translation

Answer 17

intiation, elongation, termination

Question 18

Protein finds the place to start protein synthesis

Answer 18

mRNA

Question 19

loads the initiator tRNA on the small ribosomal unit

Answer 19

eukaryotic initiation factors

Question 20

the disassociation of this after the AUG start permit the large ribosomal unit to join

Answer 20

initiaition factors

Question 21

encode for several proteins

Answer 21

polycistronic

Question 22

start codon sequence for bacteria

Answer 22

Shine-Delgarno

Question 23

step one of elongation

Answer 23

tRNA bind amino a. to A site

Question 24

step two of elongation

Answer 24

peptide is released fromm tRNA in P site and binds to A site

Question 25

step three of elongation

Answer 25

conformation changes move mRNA 3 nucleotides and reset ribosome to receive next tRNA

Question 26

these factors assist in elongation process

Answer 26

Elongation Factors, EF-Tu and EF-G

Question 27

3 stop codons

Answer 27

UAA, UAG, UGA

Question 28

peptidyl transferase adds this molecule to tRNA at stop codon, breaking the chain

Answer 28

water

Question 29

At termination, subunits do this

Answer 29

Separate

Question 30

series of ribosomes that translate same eukaryotic mRNA molecule

Answer 30

polyribosome

Question 31

protein synthesis occurs here in addition to ribosomes

Answer 31

Rought Endoplasmic Reticulum

Question 32

inhibitors of protein synthesis are used as this drug

Answer 32

antibiotics