5 Which tubes showed a color change of phenol red Do these
Last updated: 4/11/2023
5 Which tubes showed a color change of phenol red Do these results agree with your hypothesis 6 Why did the change in color occur LAB ACTIVITY 2 PIGMENTS AND THEIR ROLE IN PHOTOSYNTHESIS Different kinds of pigments exist in plants By definition a pigment is a compound that absorbs light Each pigment absorbs visible light at certain wavelengths and reflects the color of wavelength that is not absorbed Black pigment is the only exception which absorbs all wavelengths of visible light and reflects none Chlorophyll a and b are green pigments found in the chloroplasts of photosynthetic plants and are green because they reflect green light while absorbing blue and red light Chlorophyll a is the primary photosynthetic pigment in that it absorbs the greatest amount of light Therefore red and blue light needs to be absorbed for photosynthesis to occur Other pigments are found in chloroplasts called ntc cuch ar chlorophyll h and carotenoids In general accessory pigments