The analysis of the photosynthesis pigments showed differences in the wavelength (nm), the absorbance and transmittance of the coleus leaves. Different pigment often occurs together and affects photosynthetic characteristics of the respective leaves portions. Transmittance is the wavelengths of light that are passing through a sample where as absorbance is the wavelengths of light that are not passing through, but rather being used. The absorption spectrum graph, indicate that the coleus leaves has been used and the value of absorption that is 400 nm to 480 nm has indicate that the wavelength energy was high due to it shorter wavelength values, as the wavelength increased to 480 nm to 700 nm, the wavelength energy decrease , which means the energy level was low. The transmittance showed that most of the wavelength in the coleus leaves are refracted back, which the values has indicate in the table one, right Column of transmittance. As the absorptions of the sample taking place, different pigments were absorbed at different wavelength during the process. For instance, the pigment of chlorophyll a formed at the range of wavelength 400nm to 500 nm , when the energy level was high and then it drops again when the absorption level hits 2.1 nm to 2.7 nm for the formations of chlorophyll a. Coleus leaf color depends on the presence of pigments including Chls, Cars, flavonoids, anthocyanims and betalains , in higher plants Chl a , b and Cars are the pigments responsible for the light harvesting, while Chl a passes absorbed light energy into electron transport chain (Gabruk, 2007). Therefore, for the green and red coleus leaves absorbed wavelength at different and absorption so as the transmittance of the light, due to their species of coleus leaves. By analyzing the absorption spectrum of coleus leaves, it gives the insights into the type of pigments present, their efficiency in capturing light and how they contribute to overall process of photosynthesis in plants.

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Differences in the wavelength, absorbance, and transmittance of photosynthesis pigments were observed in the analysis of coleus leaves. These differences indicate that various pigments are present in the leaves, which can affect the photosynthetic characteristics of different portions of the plant. Transmittance refers to the wavelengths of light that pass through a sample, while absorbance refers to the wavelengths of light that are not passing through but are being used by the sample. The absorption spectrum graph showed high absorption values in the range of 400 nm to 480 nm, indicating high energy levels due to the shorter wavelength values. As the wavelength increased from 480 nm to 700 nm, the energy levels decreased. The transmittance data revealed that most of the wavelengths in the coleus leaves were refracted back, as indicated in the table. Different pigments were absorbed at different wavelengths during the process, with chlorophyll a forming in the range of 400 nm to 500 nm. The presence of pigments such as Chls, Cars, flavonoids, anthocyanins, and betalains in coleus leaves contributes to their coloration. In higher plants, Chl a, b, and Cars are responsible for light harvesting, with Chl a passing absorbed light energy into the electron transport chain. The absorption spectrum analysis of coleus leaves provides insights into the types of pigments present, their efficiency in capturing light, and their contributions to the overall process of photosynthesis in plants.