Features Of Trna

Question 1

What is the structure of tRNA in 2d and 3d

Answer 1

Cloverleaf in 2d

Twisted L in 3d

Question 2

Most tRNA have what base at the 5’ end

Answer 2

G

Question 3

All tRNA have what at 3’ end

Answer 3

CAA

Question 4

tRNA has what type of bases

Answer 4

Modified

Question 5

How is the amino acid attached to the tRNA

Answer 5

Esterfied via carboxyl group to the 2’OH or 3’OH of the A of CAA codon

Question 6

What are the 4 arms in tRNA

Answer 6

Amino acid arm
Anticodon arm
D arm
TomegaC arm

Question 7

The d arm is left or right

Answer 7

Left

Question 8

The d arm has what and contributes to

Answer 8

Dihydroudine and contributes to folding

Question 9

TOmegac arm has what and helps what

Answer 9

Pseduuridine that has bonding between base and ribose

Helps folding

Question 10

Describe the L shape of tRNA

Answer 10

TomegaC Amino acid
__________________
D arm |
|
anticodon arm |
|
Anticodon

Question 11

Amino acyl tRNA has what genetic code and how does it bond

Answer 11

Second genetic code
Molecular recognition (non covalent bonding)

Question 12

Primary determinant in all-tRNA is what

Answer 12

Single g=u amino acid arm

Question 13

How long is the strand in tRNA

Answer 13

73-93