Life: The Science of Biology
Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 10, Problem 3Q
Summary Introduction

To review:

The mechanism by which plant adjust their chlorophyll levels under different light conditions. Also explain the reason for this chlorophyll adjustment.

Given:

Table 1 represents the data related to chlorophyll adjustment in the plants grown in different light conditions.

Table 1: The data showing adjustment of chlorophyll in the plants, cultivated in different light intensity.

Life: The Science of Biology, Chapter 10, Problem 3Q

Here, mg/g is milligram per gram, mg/dm2 is milligram per decimeter square, and dm2/g is decimeter square per gram.

Introduction:

The process of photo synthesis is driven by the sunlight, which shows a number of variations in light intensities. Generally, to cope with the fluctuations in light intensities, they follow various adaptations to control the absorption of varying light intensities. Photosystems play a vital role in regulating the amount of light energy that is transferred to the reaction center.

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Think of a metaphor or analogy of the light-dependent reactions similar to the “construction analogy”. Make sure to label your diagram and provide a ten-sentence summary that explains your analogy.
Diagram 3: Light Wave Absorption of Chlorophyll a and b. Chlorophyll a Chlorophyll b 400 450 500 550 600 650 700 Wavelength (nm) Plant chlorophyll chemicals will absorb, or take in, light wave energy in order to produce their own organic molecules used for cellular energy. Reflected light refers to those wavelengths of light that will "bounce off" of the chlorophyll and not be absorbed. Select the conclusion that most accurately summarizes the data in diagram 3. Red and blue light waves have equal importance during photosynthesis. The majority of light energy is attained from red light, while the blue light waves provide additional light energy to photosynthesis. The majority of light energy is attained from blue light, while the red light waves provide additional light energy to photosynthesis. Medium length light waves are important to photosynthesis Absorption
In hot, dry climates, plants have evolved mechanisms to avoid photorespiration. Which of the following is FALSE Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d C3 plants have no mechanism to avoid photorespiration C4 plants reduce photorespiration by separating the light reaction in the mesophyll cells from the light- independent reaction in the bundle-sheath cells CAM plants minimize photorespiration by collecting and storing CO2 at night and keeping their stomata closed during the day C4 plants include corn, sugarcane, and many grasses CAM plants can undergo photophosphorylation in the absence of sunlight 7 Open in Readin
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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY