DNA: Nucleotides

Question 0

Are responsible for the storage and passage of the information needed for the production of proteins

Answer 0

Nucleic acids

Question 1

Are the monomeric units that make up the nucleic acids DNA and RNA

Answer 1

Nucleotides

Question 2

Each nucleotide contains of a

Answer 2

Pentose sugar, Nitrogenous base & Phosphate group “PNP”

Question 3

Result from linking one or more phosphates with a nucleoside onto the 5’ end of the molecule through _________.

Answer 3

Nucleotides. Esterification

Question 4

Is a 5 carbon sugar in a pentose ring form

Answer 4

Pentose sugar

Question 5

RNA contains ________, which has a hydroxyl group in both the 2’ and 3’ positions.

Answer 5

Ribose

Question 6

Refers to the carbon of the sugar

Answer 6

Prime

Question 7

Has only a single hydroxyl group in the 3’ position

Answer 7

DNA

Question 8

A nitrogenous base is attached by a __________ to the 1’ carbon of the nucleotide’s sugar.

Answer 8

Glycosylic bond

Question 9

Consist of linked 5-membered and 6-membered rings w/c can be found in DNA or RNA. _______ and _______.

Answer 9

Purines. Adenine & Guanine and A & G.

Question 10

Consists of 6-membered rings. ________, _______ & _______.

Answer 10

Pyrimidines. Cytosine, Thymine and Uracil “CTU”

Question 11

Cytosine is found in

Answer 11

DNA & RNA

Question 12

Thymine is found where

Answer 12

DNA

Question 13

Uracil is found where

Answer 13

RNA

Question 14

Are planar, aromatic and heterolytic. Derived from _______ & ______. Numbering of bases is unprimed.

Answer 14

Nitrogenous bases. Purine & Pyrimidine.

Question 15

In nitrogenous base, the sugar is linked via ______ to the ___ of pyrimidines and ___ of purines.

Answer 15

B-N-glycosylic bond. N-1. N-9.

Question 16

De novo synthesis proceeds via

Answer 16

Triphosphate intermediates

Question 17

Purine nucleosides end in

Answer 17

Sine

Question 18

Pyrimidine nucleosides end in

Answer 18

Dine

Question 19

Nucleotides are linked together by ________ between the __ hydroxyl on the sugar of one nucleotide through a ________ to the __ hydroxyl on the sugar of another nucleotide. These bonds are broken by _________.

Answer 19

Phosphodiester bonds. 3’. Phosphate molecule. 5’. Phosphodiesterases.

Question 20

High group transfer potential of __________ permits them to function as group transfer agent (give x)

Answer 20

Nucleoside Triphosphates

Question 21

For synthesis of cyclic AMP and cyclic GMP ( a second messenger in response to nitric oxide during smooth muscle relaxation) and fro methyl group transfer (SAM)

Answer 21

Nucleotides

Question 22

Participate in the epimerization of sugars for glycogen synthesis, bilirubin synthesis, and phosphoglyceride synthesis.

Answer 22

UPD sugars

Question 23

Absorb UV lights

Answer 23

Nucleotides

Question 24

are used as antivirals and in cancer chemotherapy

Answer 24

Synthetic nucleotide analogues