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avanturin [10]
3 years ago
9

How did telephone invention changed the world​

Biology
1 answer:
vitfil [10]3 years ago
3 0
Telephones made it easier for people too communicate with each other in different areas or across the world
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Using the drop-down menus, label the parts of an amino acid.
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Answer:

Label A is the amino group

Label B is the R group

Label C is the carboxyl group

Explanation:

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3 years ago
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Most organisms can be divided into two categories - prokaryotes and eukaryotes. What is the main difference between these two ca
Klio2033 [76]

Answer:

The main difference between Prokaryotic and Eukaryotic cell is that, eukaryotes contain membrane bound organelles like nucleus where as prokaryotes do not. The genetic material is present at the center and is called nucleoid in prokaryotes.

Explanation:

Example of prokaryotes include bacteria and archea bacteria. Examples of eukaryotes include plants and animals. Prokaryotes lack organelles such as mitochondria, endoplasmic resticulum and lysosomes which are present in eukaryotes. Both the groups contain ribosomes but its 70s ribosome in prokaryotes and 80s ribosomes in eukaryotes.

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3.<br> You can find tropical climate zones near the poles.<br><br> True<br><br> False
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False

Frigid zone is the one near poles
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Suppose you plant a seed and observe that a tree of large mass grows from it.The tree achieves a final mass that changes very li
Nadya [2.5K]

The answer should be

B Both anabolic and catabolic reactions took place in the seed and tree when it was young and growing and both continue now even though the tree reached a stable mass.


The trees should be capable to do both anabolic and catabolic reaction when it is seed or when it is already a big tree. Anabolic reaction happens when the plant making bigger molecule from many smaller molecule, such as in photosynthesis. Anabolic reaction could increase the mass of the plants or be used to make food. Catabolism reaction used to extract energy from the food.

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3 years ago
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Research indicates that ibuprofen a drug used to relieve inflammation and pain is a mixture of two enantiomers that is molecules
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<span>Are mirror images of one another
  in science, an enantiomer, otherwise called an optical isomer, where you have two stereoisomers that are perfect representations of each other that are non-superimposable , much as one's left and right hands are the same aside from being turned around along one pivot.</span>
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