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Bell Ringer: Name the organelles: Digests waste in the cell Manages the cell Lines up the Spindle Fibers and controls cell division Converts sugar to ATP.

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Presentation on theme: "Bell Ringer: Name the organelles: Digests waste in the cell Manages the cell Lines up the Spindle Fibers and controls cell division Converts sugar to ATP."— Presentation transcript:

1 Bell Ringer: Name the organelles: Digests waste in the cell Manages the cell Lines up the Spindle Fibers and controls cell division Converts sugar to ATP energy Packages proteins

2 Joke of the Day:

3 DNA Replication/Transcription/Translation

4 Terms DNA: Deoxyribonucleic acid

5 Terms DNA: Deoxyribonucleic acid Nucleotide: (monomer) Building block of DNA. Consists of Nitrogenous base, phosphate group, and sugar

6 Terms DNA: Deoxyribonucleic acid – Read in groups of 3 nucleotide (bases) called TRIPLET CODE Nucleotide: Building block of DNA. Consists of Nitrogenous base, phosphate group, and sugar 4 nitrogenous bases: – Adenine – Thymine – Guanine – Cytosine

7 Terms DNA: Deoxyribonucleic acid Nucleotide: Building block of DNA. Consists of Nitrogenous base, phosphate group, and sugar 4 nitrogenous bases: Chargraff’s Rule – Adenine A-T – Thymine G-C – Guanine – Cytosine

8 Replication Occurs in the nucleus during S phase of cell cycle.

9 Replication Occurs in the nucleus during S phase of cell cycle. Why? So that each new cell can have an identical copy of DNA after division.

10 Protein Synthesis Transcription: RNA polymerase unzips and reads one side of DNA strand. mRNA is formed. (single stranded) – mRNA: single stranded mirror image of DNA

11 Protein Synthesis Transcription: RNA polymerase unzips and reads one side of DNA strand. mRNA is formed. (single stranded) – mRNA: single stranded mirror image of DNA – Codon: Series of 3 mRNA nucleotides(bases)

12 Protein Synthesis Transcription: DNA polymerase unzips and reads one side of DNA strand. mRNA is formed. (single stranded) – mRNA: single stranded mirror image of DNA – Codon: Series of 3 mRNA nucleotide (bases ) – Uracil: RNA’s version of Thymine (DNA has “T”. RNA has “U”.)

13 Protein Synthesis Translation Decoding of a mRNA message into a polypeptide chain (protein)

14 Protein Synthesis Translation mRNA is read at the ribosome and tRNA is created (single stranded) – Anticodon: series of 3 tRNA nucleotide (bases)

15 Protein Synthesis Translation mRNA is read at the ribosome and tRNA is created (single stranded) – Anticodon: series of 3 tRNA bases – Amino acid: building block of protein (monomer)

16 Protein Synthesis Translation mRNA is read at the ribosome and tRNA is created (single stranded) – Anticodon: series of 3 tRNA nucleotide bases – Amino acid: (monomer) building block of polypeptide – Polypeptide: (protein) chain of amino acids

17 Protein Synthesis Big Picture

18 Stem Cells http://www.youtube.com/watch?v=DealmN94tRw&feature=related Unspecialized cells capable of renewing themselves through cell division, sometimes after long periods of inactivity. Potential to develop into many different cell types in the body They serve as a sort of internal repair system, dividing essentially without limit to replenish other cells. When a stem cell divides, each new cell has the potential either to remain a stem cell or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, or a brain cell.

19 http://www.youtube.com/watch?v=9Qj7Y0qXJZ4 &feature=related http://www.youtube.com/watch?v=9Qj7Y0qXJZ4 &feature=related http://www.youtube.com/watch?v=kZlXWp6vFdE http://www.youtube.com/watch?v=-qTiYA1WiY8 http://www.youtube.com/watch?v=V6xLYt265ZM http://www.youtube.com/watch?v=r0daM97RT0 k


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