(P) Nucleic acid Structure (transes-based)

Question 1

Unbranched polymer in which the monomer units are nucleotides.

Answer 1

Nucleic Acid

Question 2

What are the 2 Types of Nucleic acid found in higher organism?

Answer 2

Deoxyribonucleic acid (DNA)
Ribonucleic acid (RNA)

Question 3

How many subunit molecule does nucleotide have?

Answer 3

Three subunit molecule

Question 4

What are the three subunit molecule of nucleotide?

Answer 4

• pentose sugar
• nitrogen - containing heterocyclic base
• phosphate group

Question 5

What subunit molecule is bonded to a pentose sugar?

Answer 5

Phosphate group and a Base

Question 6

What are the 2 sugar units of a Nucleotide

Answer 6

• pentose ribose
• pentose 2’-deoxyribose

Question 7

What are the difference between the 2 sugar unit of nucleotide?

Answer 7

Structurally, the only difference between these two sugars occurs at carbon 2’

Question 8

Which sugar unit has the (OH) group present on the 2nd carbon?

Answer 8

Pentose Ribose

Question 9

Which sugar unit have (H) group present?

edit: H is not a group tho, basta kung anong sugar unit ‘yung may H sa carbon 2’ instead of OH

Answer 9

Pentose 2’-deoxyribose

Question 10

The prefix deoxy- means?

Answer 10

“without oxygen”

Question 11

How many nitrogen-containing heterocyclic bases are a nucleotide component?

Answer 11

Five

Question 12

What are the two derivatives of a nitrogen-containing heterocyclic base?

Answer 12

pyrimidine and purine

Question 13

a monocyclic base with a six-membered ring

Answer 13

pyrimidine

Question 14

How many derivatives are there in a pyrimidine

Answer 14

3 (three or tres kung di ka marunong mag english)

Question 15

How many derivatives are there in a purine

Answer 15

2

Question 16

Bicyclic base with fused five- and six-membered rings

Answer 16

purine

Question 17

why pyrimidine and purine are bases?

Answer 17

They contain amine functional groups (secondary or tertiary)

Question 18

amine functional groups exhibit?

Answer 18

basic behavior (basic biatch)

Question 19

What are the three pyrimidine derivatives?

Answer 19

1. thymine (T)
2. cytosine (C)
3. uracil (U)

Question 20

What are the two purine derivatives?

Answer 20

1. adenine (A)
2. guanine (G)

Question 21

What are the derivatives (bases) found both in RNA and DNA

Answer 21

1. adenine (A)
2. guanine (G)
3. cytosine (C)

Question 22

Derivative that can be only found in RNA?

Answer 22

Uracil (U)

Question 23

Derivative (base) that usually occur in DNA?

Answer 23

Thymine (T)

Question 24

The third component and is derived from phosphoric acid??

Answer 24

Phosphate

Question 25

When phosphoric acid is under a cellular pH condition, what append to its hydrogen atoms?

Answer 25

Loses two of its hydrogen atom to give a hydrogen phosphate ion

Question 26

what contains the subunit formed under the nucleoside?

Answer 26

pentose sugar and nitrogen-containing base

Question 27

What is the first step in nucleotide formation

Answer 27

Pentose and Base reacts to form nucleoside

Question 28

nucleoside reacts with ____ group to form nucleotide

Answer 28

Phosphate group

Question 29

What is the building block of nucleic acids

Answer 29

Nucleotide

Question 30

How many nucleosides are associated with nucleic acid chemistry?

Answer 30

8 (Eight)

Question 31

RNA Nucleosides:

Answer 31

Adenosine Cytidine Guanosine Uridine

Question 32

DNA Nucleosides:

Answer 32

deoxyadenosine deoxycytidine deoxyguanosine deoxythymidine

Question 33

What is the main distinction for the nucleosides?

Answer 33

Sugar!

Question 34

Nucleoside formation: Suffix for pyrimidine?

Answer 34

-idine

Question 35

Nucleoside formation: Suffix for purine?

Answer 35

-osine

Question 36

Addition of a phosphate group to a nucleoside produces?

Answer 36

nucleotide (and water)

Question 37

Nucleic acids are polymers? T or F

Answer 37

T

Question 38

Nucleic acids are polymers in which the repeating units, the monomers, are nucleotides T or F

Answer 38

T

Question 39

What are the main distinction for nucleotide?

Answer 39

Base!

Question 40

What are the bonds called when nucleotide units within a nucleic acid molecule are linked to each other

Answer 40

sugar–phosphate bonds

Question 41

What are the 2 backbone of Nucleic Acid Structure

Answer 41

DNA and RNA Backbone

Question 42

the sequence in which nucleotides are linked together in a nucleic acid

Answer 42

Primary nucleic acid structure

Question 43

T or F Because the sugar–phosphate backbone of a given nucleic acid varies, the primary structure of the nucleic acid depends only on the sequence of bases present

Answer 43

F (the sugar–phosphate backbone of a given nucleic acid does not vary)

Question 44

if u see this card review the primary structures on the ppt

Answer 44

yeah review it bitch

Question 45

What is the start of a nucleic acid

Answer 45

5' (5 prime) Free phosphate grouup

Question 46

What is the end of a nucleic acid

Answer 46

3' (3 prime) Free hydroxyl group

Question 47

is DNA triple helix?

Answer 47

Yes kung tanga ka pero no kung alam mo Double lang dude

Question 48

T or F The relative amounts of these base pairs in DNA vary depending on the life form from which the DNA is obtained.

Answer 48

T

Question 49

T or F %A = %G?

Answer 49

F %A = %T and %C = %G

Question 50

in 1953, an explanation for the base composition patterns associated with DNA molecules. Who proposed it?

Answer 50

American microbiologist James Watson English biophysicist Francis Crick

Question 51

The DNA double helix involves?

Answer 51

two polynucleotide strands

Question 52

What is the structure of two polynucleotide strands?

Answer 52

coiled, like a spiral staircase

Question 53

The bases (side chains) of each backbone extends to where?

Answer 53

Inward toward the bases of the other strand

Question 54

what is the phobia of bases? (PHOBIA HASFHASFHAHAH)

Answer 54

Hydrophobic that's why they are inward and towards each other

Question 55

The two two polynucleotide strands are connected by?

Answer 55

hydrogen bonds between their bases

Question 56

The two strands of the double helix exhibit this characteristic so that the polymers run in opposite directions

Answer 56

antiparallel

Question 57

What is the orientations (direction) of the strands?

Answer 57

5’-to-3’ direction, and the other is oriented in the 3’-to-5’ direction

Question 58

T or F A physical restriction, the size of the interior of the DNA double helix, limits the base pairs that can hydrogen-bond to one another

Answer 58

T

Question 59

what is the correct pairing within the helix interior?

Answer 59

one small base (a pyrimidine) and one large base (a purine)

Question 60

pairs of bases in a nucleic acid structure that can hydrogen-bond to each other

Answer 60

Complementary bases

Question 61

T or F The pairing of A with T and that of G with C are said to be complementary?

Answer 61

True

Question 62

Are the two strand of DNA in a double helix are complementary or identical?

Answer 62

COMPLIMENTARY !

Question 63

Describes the strands of DNA in a double helix with base pairing such that each base is located opposite its complementary base

Answer 63

Complementary DNA strands

Question 64

Why hydrogen bonding is important between base pair?

Answer 64

STABILIZING the DNA double helix structure

Question 65

Are hydrogen bonds strong?

Answer 65

Nope they are weak forces but becomes stronger in long chains of nucleic acid

Question 66

T or F Hydrogen bonds are relatively weak forces, each DNA molecule has so many base pairs that, collectively, these hydrogen bonds are a force of significant strength

Answer 66

T

Question 67

Long nuclein acid means?

Answer 67

STRONGER RAAAAAAAWr