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Alika [10]
3 years ago
6

When observations, over time, repeatedly support an assumption, the assumption comes to be known as a principle true or false

Biology
1 answer:
pentagon [3]3 years ago
8 0
True......................
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What are some factors that determine if an organism can survive in its environment?
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Which macromolecule forms a double layer as the primary structure of cell membranes?
OlgaM077 [116]
Answer;
Phospholipid.

Phospholipid forms a double layer as the primary structure of cell membranes.

Explanation; 
Cell membranes contains of lipids (phospholipids and cholesterol), proteins and carbohydrates groups that are attached to some of the lipids and proteins. 
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Which is a correct interpretation of the cladogram shown below?
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If a diploid cell has 20 chromosomes, how many sister chromatids will be present
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Answer:

92 chromatids

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During phosphate, the nuclear envelope of the cell (which is where the 92 chromatids are contained) begins to break down. The centrioles, which are the only present in animal cells, separate and each moves to an opposite end of the cell

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