Explanation:
Each has one chlorin ring- chlorin is a form of porphyrin.
Chlorophylls are comprised of a ringed molecule, chlorin, a hydrogenated form of porphyrin which contains a magnesium ion at the center, bonded to four atoms of nitrogen. Varying types of Chlorophyll have side chains, which affect the absorption spectrum of the molecule for instance A has a methyl group bonded to the C7 position, while B has an aldehyle (CHO) group at this location.
Embedded within the thykaloid membrane of chloroplasts, chlorophyll a and B mainly absorb orange-red and violet-blue wavelengths and convert light energy into chemical energy for the process of photosynthesis. This occurs in the light-dependent reactions of photosynthesis, within chloroplasts of plants. The range of wavelengths absorbed by a pigment is its absorption spectrum while it reflects those outside of this range. Plants appear green as this region of light is reflected by the pigments.
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The right answer is to the question is D.Sr
Eutrophication can result from excess nutrients pollution in bodies of water
<span>The human population is increasing, so the likelihood of a mass extinction is also increasing.
The human population is increasing, and historically, as human population has increased, species have gone extinct. As human population increases, and also destroy more habitats to pay for higher standards of living, the probability of mass extinction increases. </span>
Answer:
oceanography
Explanation:
This is because astronomy is the study of stars and celestial things. Biology is the study of life and organisms. Meteorology is the study of weather and atmospheric phenomena. Oceanography is the study of physical and biological properties of the sea.