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Photosynthesis..what’s the point of it?  Convert energy! Light energy to chemical energy.

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Presentation on theme: "Photosynthesis..what’s the point of it?  Convert energy! Light energy to chemical energy."— Presentation transcript:

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2 Photosynthesis..what’s the point of it?  Convert energy! Light energy to chemical energy

3 Part 1: Photosynthesis  Photosynthesis takes inorganic materials (sun) and makes organic, or carbon products (glucose).  Where does this happen? Chloroplast

4 Light dependent reactions split _______. Water. Electrons are released, and oxygen.  ATP and NADPH are made through an electron transport chain

5 In photosynthesis, oxygen is released.  Oxygen is released from what molecule?  WATER!

6 Photosynthesis stores energy as…  GLUCOSE!

7 Without photosynthesis, there would be no __________  GLUCOSE PRODUCTION

8 What is needed for photosynthesis?  Sunlight (white light) to be absorbed  Carbon dioxide  Ideal temperature

9 Is oxygen needed for photosyntheis?  No it’s a product of photosynthesis

10 Independent variable?

11 Dependent variable (what you measure)

12 The plant with white light (sunlight)  Plant exposed to sunlight (white light) will absorb some wavelengths of light. It will __________ the others.  Reflect

13 If the plant doesn’t photosynthesize much, it’s _____ light (not absorbing it). Reflecting

14 Cellular respiration  Releasing energy from glucose to make ATP.  What are the reactants of cellular respiration?  GLUCOSE and OXYGEN!

15 What are the products of cellular respiration?  ATP and water  Hint: These are inorganic molecules..no carbon

16 Do photosynthesis and cellular respiration create energy?  No..just convert it to useable forms

17 The aerobic (oxygen requiring) part of Cellular Respiration happens where?  Mitochondria  Krebs Cycle and Electron Transport Chain

18 Glycolysis is the first step of Cellular Respiration.  Glycolysis does not require oxygen.  But, if the cell has no oxygen, it can’t go through Krebs Cycle and ETC.  So what does it do?  Produce energy through Fermentation

19 Your muscles aren’t getting oxygen. They switch to ______ to get ATP.  Lactic acid fermentation

20 Now your muscles are sore.  This is because _____________ has built up.  Lactic acid

21 Part DOS: Cell Cycle and Protein Synthesis

22 _________ are two identical parts of a chromosome.  Sister Chromatids

23 The _______ attaches sister chromatids.  Centromere

24  Segments on chromosomes are called __________.  Genes  These are made up of DNA!

25 A nucleotide of DNA is made of..  Nitrogen base (adenine, thymine, cytosine, guanine)  Deoxyribose (sugar)  And Phosphate groups

26 What three elements make up DNA nucleotides?  Nitrogen  Phosphorus  Carbon (in the sugar)

27 DNA and RNA are very similar.  Do they have the same sugar?  No.  DNA has Deoxyribose.  RNA has Ribose

28 Cell Cycle.  I Play Music At The Club  I= Interphase (G1, S, G2)  Play= Prophase  Music = Metaphase  At= Anaphase  The= Telophase  Club= Cytokinesis

29 Mitosis..  Making two nuclei. If I have 24 chromosomes in the parent cell, there are _______ chromosomes in the daughter cell.  The same, 24

30 Somatic cells (like liver, heart, lung cells) are a result of _________  Mitosis

31 The order of mitosis  Prophase: phase 1  Metaphase: middle  Anaphase: away  Telophase: two nuclei

32 If cytokinesis didn’t follow mitosis..  The cytoplasm wouldn’t split..so what would happen?  One big cell, two nuclei!

33 This forms between the two plant cells during cytokinesis.

34 Cells control division by checkpoints.  They may sense _______ within the cells.  Enzymes  They may sense _________ outside the cell.  Chemicals  They may sense if there are other _________ close by, or far away.  Cells

35 Cancer cells do not respond to..  Checkpoints!  Uncontrolled division

36 Creating a protein..  DNA is _______________.  Replicated!  ___________ is made from that DNA strand.  Messenger RNA (mRNA)  _______reads the mRNA to transfer amino acids to ribosomes to make proteins.  Transfer RNA

37 First DNA is replicated.

38 Then it’s transcribed to mRNA..then it’s translated to Protein

39 The bonds between Amino Acids (AA)

40 Codons are sequences of three nucleotides on mRNA that code for amino acids.  Where are the codons/mRNA?

41 Ribosomes are the location where..  Proteins are created  Without them, no proteins!

42 Movement of Proteins  Proteins are created on the ___________.  Ribosome  They can then be transported by the ___________ reticulum.  Endoplasmic  They can be modified by the __________ apparatus.  Golgi  They can leave the cell through the ________.  Membrane


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