Since there are no given choices, I would just compare and contrast DNA and RNA. These are the two types of nucleic acids in the human body. The structural unit of nucleic acids are composed of repeating units of monomers called nucleotides. Nucelotides are composed of three functional groups: sugars which are specifically pentoses (5-Carbon sugars), phosphate group and nitrogenous base.
Now, the RNA and DNA differ in the composition of these sugars and the bases. Based on the nitrogenous bases and sugar, the DNA has a deoxyribose as the sugar and its 4 bases are adenine, guanine, cytosine and thymine. For RNA, the sugar is ribose while its 4 bases are <span>adenine, guanine, cytosine, and uracil.
They also differ in their structure. </span>DNA is a double stranded β-helix with a long chain of nucleotides. RNA is composed of a shorter chain with a single strand α-helix structure.
Lastly, they differ in their functions. T<span>he DNA is responsible for storing the genetic information while the RNA is responsible for transporting the genetic information to the ribosomes which synthesize proteins.</span>
Sharks, like all vertebrates, have bilateral symmetry. This
means they have symmetry across one plane (known as the sagittal
plane, and directly down the centre of their body), which means one
It is maintaining homeostasis
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Answer: B
Explanation:
The nutrients that wash off of the continents (waste products, sediment) are often rich in essential minerals to plankton and other microscopic aquatic life, which in turn are the base of the marine food chain.
Tsunamis are too infrequent and do not dredge up any sediment most of the time, and C is not correct because nutrients don't just rain from the sky.
Answer: A cell
Explanation:
The tissue is inside of the organ, which is inside of the organism, the next thing would be a cell, and then after that the next smallest would be a molecule
