Swe Chem 02 - Nucleic Acid

Question 1

Nucleic acid

Answer 1

RNA and DNA

Made up of nucleotides

Question 2

Nucleic acid

Answer 2

Phosphorus group +
Sugar +
Nitrogenous base

Question 3

RNA sugar

Answer 3

Ribose (5C)

Question 4

DNA sugar

Answer 4

Deoxyribose (5C)

Question 5

RNA bases

Answer 5

A. U
C. G

Question 6

DNA bases

Answer 6

A. T
C. G

Question 7

DNA

Answer 7

Double stranded nucleic acid

Question 8

RNA

Answer 8

Single stranded nucleic acid

Question 9

Central Dogma of Biochemistry

Answer 9

DNA => RNA => Protein

Question 10

Ribosome A

Answer 10

Aminoacyl

Question 11

Ribosome P

Answer 11

Peptidyl

Question 12

Ribosome E

Answer 12

Exit

Question 13

Splicing

Answer 13

Introns are removed with spliceosomes

Resulting in ligated exons

Question 14

Introns

Answer 14

Unnecessary genetic info on primary mRNA strand

Question 15

Exons

Answer 15

The wanted parts of the primary mRNA strand that makes up the nature mRNA strand

Question 16

Primary mRNA strand

Answer 16

Initially copied sequence from the DNA strand

Question 17

Mature mRNA strand

Answer 17

Spliced mRNA sequence that gets translated into protein by the ribosome

Question 18

2 types of ribosome

Answer 18

Free-floating in cytosol

Attached to the rough ER (for protein exiting the cell)

Question 19

Stabilisera of mRNA

Answer 19

5’ G-cap (5’-5’ through triphosphate)

Poly-A tail (3’ end)

Question 20

Promoter

Answer 20

Up strand “heads up” TATA box

Question 21

Helicase

Answer 21

Unwinds

Question 22

Gyrase

Answer 22

Relieves mention in the helicase

Question 23

Anti codon

Answer 23

On tRNA to match with the codon in mRNA