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lisov135 [29]
2 years ago
13

Where is over 95% of incoming ultraviolet radiation absorbed

Biology
1 answer:
Elena L [17]2 years ago
3 0

Answer:

The ozone and the atmosphere

Explanation:

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When the chromosomes line up in mitosis this is known as which phase?
Vera_Pavlovna [14]

Answer:

metaphase

Explanation:

This is where chromosomes meet in the middle (meta-middle) and line up

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2 years ago
Name 5 types of nutrients
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They are categorized as proteins, fats, carbohydrates (sugars, dietary fiber), vitamins, and minerals, and perform the following vital functions.

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3 years ago
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The events that lead to genetic drift are _______.
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The events that lead to genetic drift are Natural disasters, and reduce of population 
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After Synthesis, what ploidy value describes a cell about to undergo a meiotic division in your body?
scZoUnD [109]

Answer:

2n=46(duplicated)

Explanation:

Prior to cell division, which can either be meiotic or mitotic, the DNA content of the cell gets doubled in the Synthesis phase of the Interphase stage. In humans like myself, our cells consist of 23 pairs of chromosomes or 46 chromosomes. The DNA doubles in order for each daughter cell to get the correct number of genetic material.

After the S-phase, the chromosome number in the human cell does not change, just that each individual chromosome gets replicated or duplicated to form sister chromatids. Therefore, the human cell will contain 46 duplicated chromosomes or 92 sister chromatids after Synthesis phase and before the meiotic division.

Note that, humans are diploid organisms (2n) i.e. two set of chromosomes. Hence, they undergo meiosis to reduce their ploidy level from diploid (2n=46) to haploid (n=23).

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2 years ago
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Enzymes are important catalysts that speed up the rate to chemical reactions in cells. How do they accomplish this?
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Answer: C

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