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liubo4ka [24]
3 years ago
9

If a person has antibodies against a particular pathogen, they are said to be 'what' to that pathogen?

Biology
1 answer:
EleoNora [17]3 years ago
3 0

Answer:

immune

Explanation:

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What would happen if one of the chromosomes in a homologous pair failed to separate from its homologue at the end of metaphase I
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The correct answer is: daughter cells will have abnormal chromosome numbers and this condition is called aneuploidy.

Nondisjunction is the failure of homologous chromosomes (or sister chromatids) to separate during the process of cell division and consequently lead to aneuploidy. There are three forms of nondisjunction:  

• Nondisjunction in meiosis I (pair of homologous chromosomes unable to separate in meiosis I),  

• Nondisjunction in meiosis I (sister chromatids unable to separate during meiosis II), and

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B. animals

Plants have cell walls, bacteria are unicellular and fungi have cell walls too
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Arrange the biological terms from smallest to largest.
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Atom,molecule,cell,tissue,organism,population,ecosystem,biosphere.
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Remodeling a kitchen to add additional cabinets to existing ones also means adding extra support. In a similar respect bone remo
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Option 4 - Calcium

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The <em>divalent cation </em>called <em>calcium</em> is needed to provide additional support to the bone matrix.

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Due to this reason, calcium is needed to create extra bone matrix support.

7 0
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The diagram shows the process of meiosis. How many divisions are required to decrease chromosome numbers and produce gametes?
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The right answer is 2 divisions.

Meiosis follows the replication of DNA from a reproductive cell (male or female). It allows the passage of a so-called diploid mother cell to 2n chromosome homologous chromosomes to 4 single-chromosome haploid daughter cells. For that it must pass by two successive divisions, the first division is reductionelle generating two diploid cells with n chromosomes. the second division is equational giving 4 haploid cells to n chromosomes from the two preceding cells.

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