Chapter 10
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CHAPTER 10. DNA STRUCTURE AND FUNCTION. DNA STRUCTURE. 1. Cont. DNA:. 1. Cont. DNA:. 1. Cont. DNA:. DNA FUNCTION. DNA REPLICATION. The Sequence. DNA POLYMERASE. b. Process of transcription:. TRANSCRIPTION. THE PROCESS. ANTI-SENSE STRAND. SENSE STRAND. REVERSE TRANSCRIPTASE

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CHAPTER 10

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CHAPTER 10

DNA STRUCTURE AND FUNCTION


DNA STRUCTURE


  • 1. Cont. DNA:


  • 1. Cont. DNA:


  • 1. Cont. DNA:


DNA FUNCTION


DNA REPLICATION

The Sequence


DNA POLYMERASE


b. Process of transcription:


TRANSCRIPTION

THE PROCESS


ANTI-SENSE

STRAND

SENSE

STRAND


REVERSE TRANSCRIPTASE

( HIV)


Cont. Translation


TRANSLATION

THE PROCESS


Met

A

C

U


Met

Leu

A

A

C

U

U

A


Leu

Met

A

U

A

U

A

C


Leu

Met

A

A

C

U

U

A


Leu

Gly

Met

C

C

A

U

A

A

G

G

U


Gly

Met

Leu

C

C

A

U

A

A

A

G

A


Met

Arg

Leu

Gly

C

U

U

C

C

A


STOP

Met

Leu

Arg

Gly

U

U

C


ATTCGGG → UV light → AT=TCGGG

Cannot be rea


ATTCGGG → UV light → AT=TCGGG →

Cannot be read


1. Cont. Physical agents that produce mutations:


2. Chemical Agents that produce mutations:

Binds A

Binds G

AAAGGGCCCTG

T*T*T*CCCGGGAC

GGGGGGCCCTG


DNA

RNA

PROTEIN


MUTATIONS MAY INVOLVE LARGER SEGMENTS OF DNA


Insertion sequence


Cell Size and Scale Resource at the University of Utah.


ii. Bacteria and Genetic Engineering

What are PLASMIDS?

  • Extra chromosomal circular pieces of DNA in bacteria that normally carry genes such as:

  • R genes : Resistance to antibiotic genes,

  • TOX genes: Toxic genes (poisons)

  • F Factors : Fertility factors (Sex factors)

  • Plasmids are the vehicles of Genetic Engineering


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