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blushimpala580Lv1

28 Sep 2019

Look up and write the definitions for the following terms (in your own words): Chemical reaction: Reactants (of a chemical reaction): Products (of a chemical reaction): Cellular respiration: Chemical equation for cellular respiration: What does it mean if an organism is metabolically active? What does it mean if an organism is dormant?

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Keith LeannonLv2

28 Sep 2019

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1. Write the overall equation for the BALANCED aerobic cellular respiration reaction. Write the chemical (molecular) formulas AND names of the molecules. Label the reaction as endergonic or exergonic. Label products and reactants and state in which process(es) each product or reactant comes into play (Glycolysis, Krebs, ETC)

2. Write the overall equation for the BALANCED photosynthesis reaction. Write the chemical formulas AND names of the molecules. Label the reaction as endergonic or exergonic. Label products and reactants and state in which process(es) each product or reactant comes into play (light reactions, Calvin cycle).

3. Explain how the products and reactants of cellular respiration are related to the products and reactants of photosynthesis. Be specific. Explain why plants must do both reactions and people do not.

4. Why is cellular respiration essential to life?

5. Why is photosynthesis essential to ALL life â not just plant life? Think of two big reasons!

6. How is photophosphorylation (not photosynthesis) similar and different than oxidative phosphorylation? Write a compare and contrast answer. You must have at least 2 similarities and 2 differences. This must be written as a paragraph and not a list. When you state a difference for one, give how the other is different too!

7. An electron transport chain (ETC) chain is essential for cellular respiration. What is the function of the ETC in cellular respiration? Draw a diagram illustrating the ETC in cellular respiration.

8. An ETC chain connects PSII and PSI. What is the function of electron flow from PSII to PSI? Draw the Z-scheme illustrating the ETC in photosynthesis.

9. The inner membrane of a mitochondrion has lots of folds, or cristae, giving it lots of surface area for electron transport chains. Suppose the inner membrane was smooth instead, how would this affect cellular respiration?

10. The chloroplast has a couple of different spaces â the lumen of the thylakoid and the stroma. Explain why it is essential to have these spaces separated by membranes.

Chlorophyll is a pigment that absorbs specific wavelengths of light, and the absorption of that light leads to the passage of electrons to a higher energy state, where chemical energy can then be harvested from them. You would expect that a plant exposed to which color of light would produce the most photosynthesis?

Which color of light would you expect chlorophyll to absorb the least?

Most plants are green because....

chlorophyll absorbs green light well

chlorophyll does not absorb green light well

chlorophyll reflects green light well

both of the last two answers are correct

Thinking about the gases involved in respiration and photosynthesis, during the day, a plant is producing____ from respiration and releasing_____ from photosynthesis. But at night, a plant is only producing_______ from respiration.(spell your answers out completely).

Plants perform cellular respiration to produce.......

Which of the following is true about plants and cellular respiration?

plants perform cellular respiration only during the night

plants perform cellular respiration only during the day

plants perform cellular respiration during the night and day

plants do not perform cellular respiration

Which of the following is true regarding plants and photosynthesis?

plants perform photosynthesis only during the night

plants perform photosynthesis only during the day

plants perform photosynthesis during the night and day

plants do not perform photosynthesis

Is it possible for this plant to consistently do more cellular respiration than photosynthesis?

yes, plants use excess ATP for growth

yes, but only during winter months

not today, but fossil records shows they did in the past

no, plants can't consume food faster than they make it

In this discussion, you will justify the dependence of life on the sun and the interdependence of living things and their chemistry. People who do not understand the relationships between biological processes on the planet may roll their eyes at the statement, "Life on this planet is a delicate balance." What evidence have you found in this course so far to support this statement? You will be composing an essay with different paragraphs addressing the points below. If the format of your post is in question/answer format rather than a coherent essay, you will lose points. Consider:

*The relationship between the sun, autotrophs, and heterotrophs. Give examples of how the relationship between each group.

*The relationship between photosynthesis and cellular respiration. Explain the chemical reactants and products of one to the other.

*The relationship between oxidation and reduction reactions. Define and provide an example of each.

*The production and consumption of ATP during photosynthesis and cellular respiration. Be detailed in where ATP is made, and where it may be used both in photosynthesis and cellular respiration.

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