NUCLEOTIDES AND NUCLEIC ACID (FINALS)

Question 1

Are unbranched polymers composed of repeating patterns

Answer 1

Nucleotides

Question 2

2 kinds of nucleic acids found in the cells:

Answer 2

1) Deoxyribonucleic acid (DNA)
2) Ribonucleic acid (RNA)

Question 3

— stores genetic information of an organism.
— has million nucleotides
— is contained in the chromosomes o f nucleus; each chromosome having a different type of DNA

Answer 3

DNA

Question 4

Humans have ____ chromosomes ( ___ pairs)

Answer 4

46 chromosomes, 23 pairs

Question 5

Individual chromosome composed of many

Answer 5

Genes

Question 6

Nucleotides monomers of DNA and RNA
consist of:

Answer 6

A) Nitrogen-containing base
B) Sugar (monosaccharide)
C) Phosphate group

Question 7

A monosaccharide + a base + phosphate

Answer 7

Nucleotide

Question 8

A ribonucleotide contains the

Answer 8

monosaccharide ribose

Question 9

A deoxyribonucleotide contains the

Answer 9

Monosaccharide 2-deoxyribose.

Question 10

All base are basic because they are..

Answer 10

Heterocyclic aromatic amines

Question 11

From Purine; has both 2 rings

Answer 11

Adenine (A), Guanine (G)

Question 12

From Pyrimidine; has only 1 ring

Answer 12

Cytosine (C), Uracil (U), Thymine (T)

Question 13

Uracil (U) occurs only in______, while Thymine (T)
occurs only in ______

Answer 13

RNA, DNA

Question 14

DNA contains the bases ____

Answer 14

A,G,C,T

Question 15

RNA contains the bases____

Answer 15

A,G,C,U

Question 16

T/A: Nucleotide is formed by joining the anomeric carbon of the monosaccharide with a nitrogen-atom of the base.

Answer 16

True

Question 17

Nitrogen atom at the 1 position bonds with the 1’ carbon of sugar

Answer 17

Pyrimidine bases

Question 18

Nitrogen atom at the 9 position bonds with the 1’ carbon of the sugar

Answer 18

Purine bases

Question 19

Adenine Nucleotide: DNA

Answer 19

Deoxyadenosine 5’-monophosphate (dAMP)

Question 20

Adenine Nucleotide: RNA

Answer 20

Adenosine 5’-monophosphate (AMP)

Question 21

Guanine Nucleotide: DNA

Answer 21

Deoxyguanosine 5’- monophosphate (dGMP)

Question 22

Guanine Nucleotide: RNA

Answer 22

Guanosine 5’- monophosphate (GMP)

Question 23

Cytosine Nucleotide: DNA

Answer 23

Deoxycytidine 5’- monophosphate (dCMP)

Question 24

Cytosine Nucleotide: RNA

Answer 24

Cytidine 5’-monophosphate (CMP)