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Mol Bio > DNA > Flashcards

DNA Flashcards

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Biology 101 flashcards
1
Q

Detect, Amplify and Quantify DNA or RNA sequences

A

DNA

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2
Q

NAAT only need what specific target

A

DNA

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3
Q
  • contains the genetic information
    in the form of nucleotides
    which ultimately affects the anatomy & physiology of individuals.
A

DNA

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4
Q

Storage forms of dna

A

Nucleotides

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5
Q

Dna+ protein

A

Chromatin

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6
Q

Bound to histone

A

Chromatin

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7
Q

Structural unit of chromatin

A

Nucleosomes

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8
Q

Regulates the expression of the genes

A

Non-protein

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9
Q

Condensed form of the chromatin

A

Chromosome

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10
Q

Chromosome is seen during

A

Meosis

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11
Q

Four types of nucleotides

A

Deoxyadenosine monophosphate
Deoxyguanosine monophosphate
Deoxytidine monophosphate / Deoxy thymidine
Deoxycytidine monophosphate
RNA : uracil - Uridine monophosphate

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12
Q

Contains 1 carbon ring

A

Pyrimidune

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13
Q

2 ketones

A

Thymine

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14
Q

Cytosine

A

Ketone and anime

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15
Q

A type of covalent bond that connects the sugar-phosphate backbone of DNA nucleoside

A

Phosphodiester

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16
Q

A type of covalent bond that connects the sugar and nitrogen base of the DNA Molecule

A

N-glycosidic

17
Q

Connects the nitrogen base pairs

A

Weak hydrogen

18
Q

Essentially hold the 2 DNA strands

A

Weak hydrogen

19
Q

A-T how many hydrogen

A

2

20
Q

C-G how many hydrogen

A

3H

21
Q

right - handed helix, shorter but wider ; seen among DNA-RNA HYBRIDS

A

A-form

22
Q

Mostly found during transcription

A

A-form

23
Q

Most common in human cells, right handed helix, longer but narrower

A

B-form

24
Q

Rare; left-handed helix, seen with alternating purine pyrimidine bp

A

Z-form

25
Q

Major

A

12 angstroms wide

26
Q

Minor

A

6 angstroms

27
Q

3’

A

Deoxyribose

28
Q

5’

A

Phosphate

29
Q

Refers to the syntesis of a new DNA strand. It happens in the S phase. Takes 8-10 hours to complete the replication phase. Around 50-300 m bp are replicated per chromosome in a peed of 1000 bp/ sec/ replication fork

A

Dna Replication

30
Q

Steps in DNA Replication

A
  1. Initiation
  2. Elongation
  3. Termination
31
Q

Main polynerizer for prokaryotes

A

III.

32
Q

Contains 2 carbon ring

A

Purines

33
Q

Purines consists of

A

Adenine
Guanine

Mol Bio (14 decks)

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