It differs from DNA chemically in two respects: (1) the nucleotides in RNAare ribonucleotides—that is, they contain the sugar ribose (hence the name ribonucleic acid) rather than deoxyribose; (2) although, like DNA,RNA contains the bases adenine (A), guanine (G), and cytosine (C), it contains the base uracil (U) .
Characteristics of "Desert" Biome is:
1) High Temperature
2) Less precipitation
3) Low humidity
4) High difference in climate (of day's & night)
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All living organisms are composed of one or more cells.
The cell is the basic unit of structure and organization in organisms.
Cells arise from pre-existing cells.
Answer:
1- It's often impossible to repeat trials on the same subjects. 2-Subjects may report an inaccurate medical history. 3-It can be difficult to control all possible variables. 4-It's impossible to come up with testable scientific questions for human subjects.
Explanation:
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Answer: Eukaryotic Cell, Nucleus, DNA, Chromosome, Gene, and Allele.
Explanation: