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Photosynthesis Overview - Chapter 4.2 - 2018

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Vocabulary. Use each term in the word bank below once for the following 6 vocab questions:

Calvin Cycle electron transport chain photosystems
chlorophyll light-dependent reaction thylakoid
Question 1
1.

1. (Vocab) Coin-shaped compartment that contains light-absorbing molecules. You must type the term correctly to receive credit.

Question 2
2.

2. (Vocab) A series of chemical reactions that produces sugars from carbon dioxide. You must type the term correctly to receive credit.

Question 3
3.

3. (Vocab) A series of proteins in the thylakoid membrane that transfer high-energy electrons. You must type the term correctly to receive credit.

Question 4
4.

4. (Vocab) Two groups of molecules in the thylakoid membrane that capture and transfer energy. You must type the term correctly to receive credit.

Question 5
5.

5. (Vocab) Reaction that captures energy from sunlight and transfers energy to the light-independent reactions. You must type the term correctly to receive credit.

Question 6
6.

6. (Vocab) Light-absorbing molecule in thylakoid membrane. You must type the term correctly to receive credit.

Vocabulary Check
Question 7
7.

The prefix "photo-" means

Question 8
8.

When talking about photosynthesis, the word "synthesis" means to bring together molecules to make glucose.

Question 9
9.

The prefix "chloro-" means

Question 10
10.

The suffix "-phyll" means

Question 11
11.

The Calvin Cycle is also called

Question 12
12.

Light independent means that light is required to complete the reaction.

Question 13
13.

Light dependent means that light is not required to complete the reaction.

Question 14
14.

Stomata are openings on plants that allow for gas exchange.

Question 15
15.

Photoinhibition is when the rate of photosynthesis is decreased or even stopped due to excessive light exposure resulting in the reduction of plant growth.

Question 16
16.

The distinction between C3, C4, and CAM plants is the intermediate substance that is made prior to the Calvin Cycle. These modifications allow C3 plants to grow in cooler regions, C4 plants to grow in hot climates, and CAM plants to grow in very dry environments.

Question 17
17.

Corn is an example of a C4 plant which can tolerate hot weather conditions.

Question 18
18.

Pineapple is an example of a CAM plant. The malic acid stored in the fruit can cause canker sores in your mouth when you eat too much fresh pineapple.

Question 19
19.

Approximately how much chlorophyll was present in the low-light plants after 24 hours?

Question 20
20.

Approximately how much chlorophyll was present in the moderate-light plants after 24 hours?

Question 21
21.

One similarity about the chlorophyll content between the low and moderate light seedlings is:

Question 22
22.

One of the differences in the seedling groups is

Question 23
23.

To which of the two lighting conditions would you expose seedlings if you wanted to maximize the rate of photosynthesis in the plants as well as minimizing your costs for electricity to light the plants in the greenhouse?

Question 24
24.

REVIEW: The independent variable in this experiment is

Question 25
25.

REVIEW: The dependent variable in this experiment is

Question 26
26.

One of the constants in the experiment was that the chloropyll content was measured every 48 hours.