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Aim: How can we apply our knowledge of cells and biochemistry? Test tomorrow HW due tomorrow.

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Presentation on theme: "Aim: How can we apply our knowledge of cells and biochemistry? Test tomorrow HW due tomorrow."— Presentation transcript:

1 Aim: How can we apply our knowledge of cells and biochemistry? Test tomorrow HW due tomorrow

2 A Cell’s Life Cycle Figure 3–23 The Cell Life Cycle.

3 1 Pericentriolar material Nucleolus Nuclear envelope Chromatin Plasma membrane Cytosol (a) INTERPHASE Centrioles Centrosome: all at 700x LM 1 Late Early Pericentriolar material Nucleolus Nuclear envelope Chromatin Plasma membrane Cytosol Chromosome (two chromatids joined at centromere (a) INTERPHASE (b) PROPHASE Centrioles Centrosome: Fragments of nuclear envelope Mitotic spindle (microtubules) Kinetochore 2 all at 700x LM Centromere 1 Pericentriolar material Nucleolus Nuclear envelope Chromatin Plasma membrane Cytosol Metaphase plate (a) INTERPHASE Centrioles Centrosome: (c) METAPHASE 2 3 Late Early (b) PROPHASE Fragments of nuclear envelope Mitotic spindle (microtubules) Kinetochore all at 700x LM Chromosome (two chromatids joined at centromere Centromere 1 Early Late (d) ANAPHASE Pericentriolar material Nucleolus Nuclear envelope Chromatin Plasma membrane Cytosol Chromosome (a) INTERPHASE Centrioles Centrosome: (c) METAPHASE 2 3 4 Cleavage furrow Late Early (b) PROPHASE Fragments of nuclear envelope Mitotic spindle (microtubules) Kinetochore Metaphase plate all at 700x LM Chromosome (two chromatids joined at centromere Centromere 1 Early Late (d) ANAPHASE Pericentriolar material Nucleolus Nuclear envelope Chromatin Plasma membrane Cytosol (a) INTERPHASE Centrioles Centrosome: Cleavage furrow (e) TELOPHASE (c) METAPHASE 2 3 4 5 Cleavage furrow Late Early (b) PROPHASE Fragments of nuclear envelope Mitotic spindle (microtubules) Kinetochore Metaphase plate Chromosome all at 700x LM Chromosome (two chromatids joined at centromere Centromere 1 Early Late (d) ANAPHASE Pericentriolar material Nucleolus Nuclear envelope Chromatin Plasma membrane Cytosol (a) INTERPHASE Centrioles Centrosome: (f) IDENTICAL CELLS IN INTERPHASE Cleavage furrow (e) TELOPHASE (c) METAPHASE Cleavage furrow 2 3 4 5 6 Late Early (b) PROPHASE Fragments of nuclear envelope Mitotic spindle (microtubules) Kinetochore Metaphase plate Chromosome all at 700x LM Centromere Chromosome (two chromatids joined at centromere

4 Station 1- Organelles Identify the organelles identified by their definitions

5 S Station 2- The Plasmalemmma A B C D

6 Station 3A- Tonicity A B C

7 Station 3B- Tonicity

8 What would happen to an animal cell in each of the following solutions? 1. Hypertonic: The cell would ____________________________ because the water molecules would _____________________. 2.Hypotonic: The cell would _______________________________ because the water molecules would ______________________. 3. Isotonic: The cell would ________________________________ because the water molecules would ______________________. Station 3C- Tonicity

9 Station 4- The Cell Cycle 1.Label the picture with each phase of mitosis. 2.Write a description of each phase of mitosis. 3.Identify the part of the cell cycle being discussed. a.DNA is replicated. b.The genetic material divides. c.Cell Growth and organelle duplication. d.Non-dividing period of the cell cycle, when cell is preparing to divide.

10 Station 5- Transport across the membrane Cytosol Extracellular fluid A B C D

11 AB C

12 Station 4 Biochemistry Part 1- Identify the molecules shown on worksheet 1. Part 2- Identify the organic Molecule. a. Can form peptide bonds. b. Formed from covalently binding monosaccharides. c. This is the most abundant lipid in the body. d. The order of amino acid determines the primary sequence of this molecule. e. This is the body’s main source of energy. f. This chemical is needed to produce sex hormones and the cell membrane. g. This organic molecule is made up of nucleotides.


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