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 transcript:

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

Joke of the Day:

DNA Replication/Transcription/Translation

Terms DNA: Deoxyribonucleic acid

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

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

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

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

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.

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

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)

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”.)

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

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

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)

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

Protein Synthesis Big Picture

Stem Cells 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.

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