The first three are the same as those found in DNA, but in RNA thymine is replaced by uracil as the base complementary to adenine. This base is also a pyrimidine and is very similar to thymine. Uracil is energetically less expensive to produce than thymine, which may account for its use in RNA.
The concave disc shape of red blood cells Maximizes the surface area of the cell , allowing for rapid movement of oxygen or carbon dioxide to and form the hemoglobin within the cell.
I believe it is D) heliocentric !
Answer:
The mixing of fats with water, assisted by molecules that have both nonpolar and polar ends, is called <u>emulsification</u>
Hope that helps!
<h3><u>Answer;</u></h3>
Rock
<h3><u>Explanation</u>;</h3>
- Rock is a naturally occurring solid mixture of one or more minerals or organic matter.
- <em><u>Rock is a solid mixture of crystals of one or more minerals, or organic matter.
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- <em><u>Rocks are classified by how they are formed, their composition, and texture. </u></em>Rock has been an important natural resource as long as humans have existed.
- The rock cycle is the series of processes in which a rock type changes from one type to another.
