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satela [25.4K]
2 years ago
5

How many

Biology
2 answers:
Strike441 [17]2 years ago
5 0

Answer:

2 strands

Explanation:

DNA is a double-stranded helix. During replication, the helix is broken apart and DNA polymerase adds new nucleotides to both strands. This results in the creation of new DNA. DNA will always have 2 strands.

Dmitry [639]2 years ago
3 0

Answer:

Two strands.

Explanation:

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How will the changes to the hydrosphere affect the atmosphere, geosphere, and biosphere?
mamaluj [8]

Answer:

The hydrosphere allows the geosphere to be eroded by flowing water and precipitation. The biosphere breaks down geospheric rock (plant roots), but geospheric minerals feed the plants when it comes to soil.  Geosphere produces, kills and preserves several biosphere locations.

Explanation:

8 0
3 years ago
A plant is 15 inches tall and grows at a rate of 0. 5 inches per week. Write a function h that models the height of the plant, i
klasskru [66]

Answer:

h(x)=0.5x+15.

Explanation:

Given that the first differences remain constant, this function is linear. Thus, we can use y=mx+b.

'b' in this case is 15 inches, as that is the original height of the plant.

The slope (m) would be 0.5, such that time is the independent variable and height is the dependent variable (which should always be the case).

Using this information, we can create a function to model height:

h(x)=0.5x+15, where x represents each week.

Hope this helps!

8 0
2 years ago
When the ranges of two different species meet, a stable "hybrid zone" occupied by hybrid individuals may form. How is this possi
Valentin [98]

Answer:

Two diverged populations are capable of mating and producing viable and fertile offspring.

Explanation:

Although the biological concept of species says that two different species can not mate and produce viable fertile descendants, the hybrid zones are characterized for being an area where two different genetically groups meet and reproduce. These groups might be the same or different species.

This is a frequent phenomenon in nature, and widely common geographically and among taxonomic groups. It is not rear that different sympatric populations, with a short time of divergence and similar reproductive strategies, can hybridize and even generate new populations that get reproductively isolated from their parentals.

When talking about sympatry we refer to two similar species that coincide in part or their whole distribution area.  

These new populations are even morphologically different from the parental forms, which allow them to colonize new habitats and niches, promoting diversification.

Hibridation zones are very important to conserve, just because they are points of genetic diversity generation and diversification areas.

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A scientist designed an experiment to test the effect of temperature on bacterial growth. he grew three different cultures of th
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The independent variable was temperature
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A hypothesis is best described as
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As a guess because they can be a right answer and some times they are not  
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