SCI 115 WEEK 3 PHOTOSYNTHESIS LAB
ASSESSMENT
SCI 115 Week 3
Photosynthesis Lab Assessment
1.
Is
photosynthetic 0 2 production light-dependent?
2.
What rate comes
closest to the maximum rate of carbon dioxide fixation you
have measured in this activity?
have measured in this activity?
3.
At the start of
the algal filament experiments, the bacteria were evenly distributed throughout
the chamber. Subsequently, after the chamber was flooded with white
light, the bacteria were
4.
Does the rate of
photosynthesis increase with increasing light intensity?
5.
At the start of
the algal filament experiments, the bacteria were evenly distributed throughout
the chamber. Subsequently, after the chamber was left in the dark for two
minutes, the bacteria were
6.
In the
experiment using thin-layer chromatography, pigments in a leaf are separated.
The spots on the chromatography plate are then compared to known standards on
the basis of
7.
In the algal
filament experiment, after the algal filament was illuminated with light from
the prism, the bacteria were clumped along certain areas of the algal
filament.Which wavelengths of white light seem most photosynthetically
effective?
8.
In thin-layer
chromatography, Rf refers to the
9.
Does increasing
the concentration of CO 2 increase the rate of
photosynthesis?
photosynthesis?
10.
Given that the
atmospheric concentration of CO 2 is approximately 300 ppm, is
photosynthesis in the field limited by the concentration of CO 2?
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