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Where does the mass come from to make an acorn into an oak?

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Presentation on theme: "Where does the mass come from to make an acorn into an oak?"— Presentation transcript:

1 Where does the mass come from to make an acorn into an oak?

2 Where does the mass come from to make an acorn into an oak?
A .Water absorbed via roots B. Soil molecules absorbed through roots C. Molecules in the air absorbed through leaves D. Very compact materials in acorn that are diffused in the oak tree. E. Glucose absorbed via roots and leaves.

3 a.C6H12O6 + 6O2  6CO2 + 6H2O + ENERGY (heat + ATP)
b. 6CO2 + 12H2O +light (ENERGY)  C6H12O6 + 6H2O + 6O2 Which of the above describes photosynthesis? Which of the above describes cellular respiration?

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5 (Adapted from Janet Batzli and Diane Ebert-May)
1 2 3 3 Three identical plates of radish seeds are incubated under three different conditions, with results as shown. How will the dry weights* of the three plates compare at the end of the experiment? A) 1 < 2 < 3 B) 1 < 3 < 2 C) 1 = 3 < 2 D) 3 < 1 < 2 E) 1 = 2 = 3 *Dry weight is the mass minus water weight – achieved by drying material thoroughly in an oven prior to weighing 5

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9 Question 1 Which structure is responsible for gas exchange ? Matrix
Stroma Stoma Thylakoid Trichomes Bloom’s level: Knowledge/Understanding

10 Question 2 What high energy molecule is the final product of photosynthesis? Oxygen ATP NADPH Glucose Water Bloom’s level: Knowledge/Understanding

11 Question 3 Where is the chlorophyll located in a plant? Cristae
Plasma membrane of the cell Outer membrane of the chloroplast Thylakoid membrane Stroma Bloom’s level: Knowledge/Understanding

12 Question 4 Making glucose via photosynthesis costs ____ATPs and ___NADPHs. However, 1 molecule of glucose is enough to make ___ ATPs. 18, 12, 36 12, 18, 36 12, 36, 18 36, 18, 12 18, 36, 12 Bloom’s level: Knowledge/Understanding

13 Question 5 What happens to the energy content of a photon as the wavelength decreases? Energy increases Energy decreases Energy remains the same There is no relationship Bloom’s level: Knowledge/Understanding

14 Question 6 Electromagnetic radiation with a wavelength between nm is_____. Radiowaves Microwaves X-rays Visible light Ultra Violet Bloom’s level: Knowledge/Understanding

15 Question 7 What happens at the reaction center of a photosystem?
Light is absorbed An electron is energized NADP+ is reduced ATP is formed Carbon fixation occurs Bloom’s level: Knowledge/Understanding

16 Question 8 Which of the following is made during the light reactions of photosynthesis? ADP and NADP+ Glucose and ATP ATP and NADPH NADPH and Carbon Dioxide Carbon Dioxide and Water Bloom’s level: Knowledge/Understanding

17 Question 9 What is the function of Rubisco?
Absorption of photon energy Harvesting electrons from water Reduction of NADP+ Chemiosmosis Carbon fixation Bloom’s level: Knowledge/Understanding

18 Question 10 A particle of light is a ____. Wave Grana Photon Proton
Newton Bloom’s level: Knowledge/Understanding

19 Question 11 Photosynthetic bacteria have chlorophyll embedded in their chloroplasts. This is true This is false Bloom’s level: Application

20 The structure at right is:
ATP DNA NADP FADH2 Chlorophyll

21 If a plant had non-functioning mitochondria, it could still successfully complete photosynthesis?
This is true This is false Bloom’s level: Application

22 What would happen if a leaf lacked carotenoids?
The leaf would absorb all energy levels The leaf would turn yellow/orange during the fall The leaf would not absorb Carbon dioxide Photosynthesis would not be as efficient The leaf would require oxygen Bloom’s level: Application

23 The end product of photosynthesis is the starting material of cellular respiration.
This is true This is false Bloom’s level: Application

24 Which of the following would prevent the formation of 3-phosphoglycerate in photosynthesis?
No available photons Denaturation of the Rubisco enzyme Non-functional b6-f complex All of the above Bloom’s level: Application

25 Explain where oxygen comes from in photosynthesis?
Compare and contrast the general equations for photosynthesis and aerobic cellular respiration? Why do leaves change colors in the fall? Why is water necessary for photosynthesis? G3P (glyceralderhyde-3-phophate) is present in the Calvin Cycle, where else have you seen this molecule?

26 (Adapted from Janet Batzli and Diane Ebert-May)
1 1.46 g 2 1.63 g 3 3 1.20 g Three identical plates of radish seeds are incubated under three different conditions, with results as shown. How will the dry weights of the three plates compare at the end of the experiment? A) 1 < 2 < 3 B) 1 < 3 < 2 C) 1 = 3 < 2 D) 3 < 1 < 2 E) 1 = 2 = 3 26


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