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uranmaximum [27]
3 years ago
12

What is considered a polar molecule because it ___.

Biology
1 answer:
AysviL [449]3 years ago
8 0
C) has partial positive and negative charges at each end
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Cancer cells are anaplastic in that they "form backward" to an earlier de-differentiated state. the cells have nuclei that vary
soldier1979 [14.2K]

The cells have nuclei that vary in size and shape, termed pleomorphism.

Pleomorphism is usually defined in biology as the occurrence of multiple structural forms during the life cycle of an organism. In anaplasia, it represents multiple structural forms of nuclei. Pleomorphism is a characteristic feature found in malignant neoplasms, and dysplasia, but it can also be found in certain benign cell types.

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3 years ago
Name the popular types of dinosaurs?
Tju [1.3M]
Tyrannosaurus Rex
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8 0
3 years ago
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In 3–5 sentences, compare and contrast the flow of matter and energy in each trophic level for land-based ecosystems and marine
Mnenie [13.5K]

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Unlike matter, as energy flows through an ecosystem in one direction, from photosynthetic organisms to herbivores to omnivores and carnivores and decomposers, less and less energy becomes available to support life.

Explanation:

Primary producers use energy from the sun to produce their own food in the form of glucose, and then primary producers are eaten by primary consumers who are in turn eaten by secondary consumers, and so on, so that energy flows from one trophic level, or level of the food chain, to the next.

Energy is acquired by living things in three ways: photosynthesis, chemosynthesis, and the consumption and digestion of other living or previously-living organisms by heterotrophs.

Living organisms would not be able to assemble macromolecules (proteins, lipids, nucleic acids, and complex carbohydrates) from their monomeric subunits without a constant energy input.

4 0
3 years ago
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Which of the following statements best describes the major difference between prophase I of meiosis and prophase of mitosis?
kirill [66]

A. In prophase I, tetrads of homologous chromosomes form and crossing over occurs

hope this helps :)

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3 years ago
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