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3 years ago

Before a star is born, the matter that will become the star exists as a

Biology

2 answers:

Ivahew [28]3 years ago

8 0

High density Nebula, And condenses into a huge globule of gas and dust and contracts under its own gravity

Neporo4naja [7]3 years ago

6 0

It would be a cool, dark Nebula. :)

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In a hardy-weinberg population with two alleles, a and a, that are in equilibrium, the frequency of the allele a is 0. 3. What i

zavuch27 [327]

Here, given-

homozygous alleles 'a' have a frequency of 0.3.

Also the alleles are in equilibrium in a Hardy-Weinberg population. The frequency of individuals that are homozygous for this allele are= 0.49.

The Hardy-Weinberg equilibrium can be defined as the principle which states that the variation in the genetic makeup of a population remains constant and unchanged till there are no external interferences, influencing the population.

Calculation-

$p + q = 1\\0.3 + q= 1\\q= 1- 0.3\\\\q= 0.7$

Then to find the frequency of the individuals homozygous for this allele the following formula needs to be used-

$p^{2} + 2pq + q^{2} =1$

$p^{2} = dominant homozygous frequency\\2pq= heterozygous frequency\\q^{2} = recessive homozygous frequency\\$

Thus, the individuals homozygous for the allele can be calculated by $q^{2} = (0.7)^{2} \\= 0.49$

Learn more about the Hardy-Weinberg equilibrium here-

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2 years ago

Which of the following defines an ecological succession

miv72 [106K]

Answer:Ecological succession is the process that describes how the structure of a biological community (that is, an interacting group of various species in a desert, forest, grassland, marine environment, and so on) changes over time. The structure of this community becomes more complex as new species arrive on the scene.

Explanation:

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2 years ago

Which process depends on binding between specific molecules on both the host and pathogen, so that the pathogen can gain a stabl

Degger [83]

Adhesion depends on binding between specific molecules on both the host and pathogen so that the pathogen can gain a stable foothold on host tissues.

<h3>What is adhesion?</h3>

In epidemiology, adhesion makes reference to the process in which pathogen and host interact during an infection.

The adhesion process is fundamental to reach the survival of the pathogen during a particular infection.

These pathogens can be any type of microorganism able to cause harm to the host (e.g., bacteria and fungi).

Learn more about the adhesion process here:

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2 years ago

What is life meaning and list the form statics of life pls give a clear answer.

velikii [3]

To fulfill your reason in life and fulfill your objectives.

1. Predictions 2. Testing 3.forecast 4.preparedness 5.predicting 6. Political 7.insurance 8.consumer 9.financial 10.sports

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3 years ago

Please help me with this question please

zepelin [54]

4) b removing more co2 from the atmosphere

5) a more sea ice melting

6) tolerate c

7) stained teeth b

8) polar bear will consume less seal meat

9) past and more current research (not sure)

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2 years ago