Tight hydrogen bonding
The atoms in a compound are held together by a chemical bond. The chemical bonds can be either covalent bonds or ionic bonds. Both the bonds are considered very strong bonds. These bonds are mainly formed by sharing of electrons or in the case when one of the elements making the compound donates electron to the other element. The nucleus of each atom attracts to form a strong bond. This property of attraction between the nucleus of the atoms actually helps in forming the chemical bonds.<span>
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Cellulose molecules are arranged parallel to each other (flipped 180 degrees) with hydrogen bonds joining them. It forms strong cable-like structures for support. This is important as it keeps the plant straight and upright.
Changing the sequence of nucleotides in the DNA molecule can change the amino acids in the final protein, leading to protein malfunction. If insulin does not function correctly, it might be unable to bind to another protein (insulin receptor).
Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes. ... When energy is needed by the cell, it is converted from storage molecules into ATP.
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I believe the correct answer to your question is option A. Black moths were selected for when the trees turned black.
Hope I could help! :)
Answer: sand particles, small pebbles and weathered rock
Sedimentary rocks are the rocks that are formed by various physical, chemical, and biological processes. It is formed by the withered remains of the other rocks, biological wastes liberated by the living beings. These rocks are formed when the fine sand particles, stones, small pebbles and biological residues of living beings becomes cluster and attains compaction due to the effect of exerted pressure and temperature.