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Nucleic Acids > Nucleic Acids > Flashcards

Nucleic Acids Flashcards

0
Q

What 2 groups can Nucleic Acids be divided into?

A

Nucleosides and Nucleotides

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1
Q

What are Nucleic Acids?

A

Nucleic Acids are a group of bio polymer, vital to all living systems

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2
Q

How many units in a nucleoside? Name them.

A
  1. Sugar and aromatic amine
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3
Q

How many units in a nucleotide? Name them.

A
  1. Phosphate ester, sugar and aromatic amine
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4
Q

Name 2 sugars that are important in nucleotides

A

Deoxyribose and ribose

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5
Q

What does the word deoxyribose refer to?

A

It refers to a molecule with one less oxygen than a ribose sugar

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6
Q

What type of bond holds the aromatic amines to the sugar?

A

Amide or peptide bond

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7
Q

What type of bond holds the phosphate to the sugar?

A

Glycogen bond

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8
Q

What 2 groups are aromatic amines divided into?

A

Pyrimidines and Purines

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9
Q

Distinguish Pyrimidines from Purines

A

Pyrimidines only have 1 cyclo structure while Purines have 2 cyclo structures

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10
Q

What is ATP? How is it used in biological systems?

A

Adenine Triphosphate. It is used for energy transfer in all living things

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11
Q

What type of bond is also known as a zipper bond?

A

Weak hydrogen bonds

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12
Q

Name the 4 acrobatics on DNA

A

Adenine, cytosine, guanine, and thymine

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13
Q

Why must only adenine and thymine bond to each other?

A

They both have 2 weak hydrogen bonds

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14
Q

Why must cytosine and guanine bond to each other?

A

They both have 3 weak hydrogen bonds

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15
Q

What makes up the backbone of the DNA molecule?

A

Phosphate-sugar-Phosphate-sugar-Phosphate-sugar

16
Q

What does each aromatic amine represent in DNA?

A

It represents one letter of a code

17
Q

Computer code is based on 1 and 0. What is the system called?

A

Binary system

18
Q

DNA is based off of A,T,C, and G. What is the system called?

A

Quaternary system

19
Q

How many ways can DNA express for 1 rung? 2 rung?

A

4, 16

20
Q

What equation expresses the number of variations possible in the DNA code?

A

4^x (to the number of rungs)

21
Q

When will living systems have the identical DNA codes?

A

Clones have the same DNA as well as identical twins

22
Q

Why can DNA be used in court of Law to convict someone of a crime?

A

If evidence from scene of crime match a suspect, no one else but that suspect can be convicted because DNA is individual and unique

Nucleic Acids (1 decks)

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