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Anna71 [15]
3 years ago
11

How to pass a us history regent

Biology
1 answer:
aliya0001 [1]3 years ago
6 0
Sheets and flash cards
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According to the nebular hypothesis, when did nuclear fusion begin?
sergiy2304 [10]
There is evidence that Emanuel Swedenborg<span> first proposed parts of the nebular hypothesis in 1734.</span>[3][4] Immanuel Kant<span>, familiar with Swedenborg's work, developed the theory further in 1755, publishing his own </span>Universal Natural History and Theory of the Heavens, wherein he argued that gaseous clouds (nebulae<span>) slowly rotate, gradually collapse and flatten due to </span>gravity<span>, eventually forming </span>stars<span> and </span>planets.<span>[2]</span>
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3 years ago
Which term describes the difference in the concentrations of a substance across a cell's membrane?
SpyIntel [72]

Correct answer: C) Concentration gradient

The process of movement of a particle in a solution from the region of higher concentration to the region of lower concentration across a membrane is called as concentration gradient.

For example: If we drop a few drop of dye in a glass of water, it will diffuse along a concentration gradient, i.e, the region where dye is found in highest concentration to the region where it is in lower concentration.

It will occur until the concentration of dye become uniform in all the direction in the glass of water.





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3 years ago
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If the producers in this aquatic food chain produce 50,000kcal of energy; how much energy would the Perch have?
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The 10% Energy Rule in a Food Chain

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3 years ago
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Llamas have sexual reproduction. Some types of llamas have 74 chromosomes. That is how many chromosomes are in their somatic (bo
Sholpan [36]

Answer: 37 chromosomes.

Explanation: As is typical of mammals, llamas are diploid organisms, meaning that the number of chromosomes in each of their somatic cells is exactly twice of that found in the gametes (the so-called haploid number, referred to as "n"). If a particular species has 74 chromosomes in its somatic cells, we should expect to find 74/2=37 chromosomes in each gamete.

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Drag each label to the correct category. Classify the organisms based on whether they follow the Carnegie stages of development.
Ostrovityanka [42]

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the butterfly, the turtle, and the weird animal that I don't know the name of are all in the first box

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