C
Explanation:
Molecule C would be least soluble in water because it is not a polar compound/molecule. It also lacks any unit that can combine with water to form a good hydrogen bond.
- The general rule of solubility is that like dissolves likes.
- Polar molecules will only dissolve in polar solvent.
- Water is a polar solvent with hydrogen bonds in them.
- Hydrocarbons typically have weak london dispersion forces between them and they are not polar.
- Other compounds have functional groups that can form hydrogen bond with water.
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Letter A is the answer.
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Answer:
Why is there less energy at each trophic level?
Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level. ... A food chain can usually sustain no more than six energy transfers before all the energy is used up.
Explanation:
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The deficiency of vitamin d may lead to cardiovascular disease. Heart conditions, such as those that affect your heart's muscle, valves or rhythm, also are considered forms of heart disease. This is usually referred to conditions that there is a narrowing or blocking of blood vessels that can become a heart attack, chest pain (angina) or stroke.
Answer:
The correct answer is C. it joins Okazaki fragments together
Explanation:
During the DNA replication, the DNA is replicated by DNA polymerase and both the strand act as template strand. One strand is continuously synthesized by the DNA polymerase called the leading strand and the other strand is synthesized in a discontinuous manner called lagging strand.
In lagging strand due to discontinuous replication, many short nucleotide fragments are created which are called Okazaki fragments. These Okazaki fragments are joined by an enzyme DNA ligase. By making a bond between two Okazaki fragments it connects all fragments and makes a single daughter strand.
So the correct answer is C. it joins Okazaki fragments together.
