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Chemistry for Biologists: Photosynthesis

There are four things that are required by the plant before it can carry out photosynthesis, they are light, chlorophyll, carbon dioxide and water ....

2010/03/15 · Can a single layer of cells control a leaf's size

Is because
the wants to show that the rates of photosynthesis will
vary according to how much light from a light bulb will be trapped in
the chloroplasts, in the leaf.

Photosynthesis dictionary definition | photosynthesis …

2010/10/28 · What three types of cells in a leaf have chloroplasts and can photosynthesize

The
variables, or factors that must be kept the same are as follows: -

* The carbon dioxide concentration must be kept the same, because
the more CO2 that is in the air, or water, then the more that can
diffuse into the leaf, and if the plant had more CO2 then it would
be able to photosynthesise faster.

I can say that the
increase in distance thus making the light intensity stronger
increased the rate of photosynthesis and when further away made the
rate of photosynthesis almost come to its limiting factor the
straitening of the graph.

Photosynthesis - definition of photosynthesis by The …

sunlight is absorbed by chlorophyll in a leaf B



Results

Distance (cm)

Test 1 (Number of bubbles)

Test 2 (Number of bubbles)

Test 3 (Number of bubbles)

Average

5

3

5

4

4

10

4

4

2

3.3

15

2

3

4

3

20

2

3

2

2.3

25

2

1

2

1.6


Conclusion
----------

From the results that I have collected I can maintain that increasing
the light intensity results in an increase in the rate of
photosynthesis.

This cell-surface
membrane can regulate the transport of the sugar and also drives it by actively pumping sugar from the
neighbouring parenchyma cells into the phloem sieve tubes (using membrane protein pumps that require
cellular energy in the form of ATP).

carbon dioxide is taken in from the air C
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water is transported from the roots D

Although the cuticle provides important protection from excessive water loss, leaves cannot be impervious because they must also allow carbon dioxide in (to be used in photosynthesis), and oxygen out. These gases move into and out of the leaf through openings on the underside called stomata (Figure 3b). After carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed.

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