Nervous system responds to the environment
Answer:
his desertion from his role as head of the family
Explanation:
In the play "The Glass menagerie", Tom is frustrated about his life. He has to work hard to support his mother (Amanda) and sister (Laura). He works in shoe warehouse which he hates the most. Further, his mother annoys him because she ask him to improve himself. His father has already deserted his family. He also end up fleeing, as his father did.
Answer:
the difference is:
Plant cells have a cell wall, large central vacuole, and chloroplasts, while animal cells do not.
Explanation:
Biology 101
Answer:
The question is incomplete.
However, I notice that your question is mainly dealing with
"Nucleotides with a single ring structure"
I tackled that part, also providing explanation to the point you focused on.
Explanation:
Nucleotides are compounds in which nitrogenous bases (purines and pyrimidines) are conjugated to the pentose sugars (ribose or deoxyribose) and at least one phosphate group. Thus a nucleotide consists of a nitrogenous base, pentose sugar and at least one phosphate group.
Examples of the nitrogenous bases are Adenine, Guanine, Thymine, Uracil and Cytosine. Of all, Thymine, Uracil and Cytosine are with single ring, while Adenine and Guanine are double ring structure.
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