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Eddi Din [679]
3 years ago
6

What are the steps in the experiment? (list four steps) How do the scientists test the hypothesis?​

Biology
1 answer:
Mandarinka [93]3 years ago
3 0

Answer:

Make an observation, create a hypothesis, test the hypothesis, draw conclusions and refine the hypothesis.

They test the hypothesis by stating the hypothesis, formatting an analysis plan, analyzing sample data from experiment, then interpreting the results in the conclusion.

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Answer:

Diffusion occurs when particles move from an area of high concentration to an area of low concentration. The factors affecting rate of diffusion are: concentration, temperature, mass of the particle and properties of the solvent in which diffusion occurs. Faster movement equals faster diffusion.

Explanation:

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In humans, a type of blindness is due to a dominant allele; normal vision is the result of a recessive allele. Migraine headache
yan [13]

Answer:

Yes.

Probability of such child = 1/2 or 50%

Explanation:

According to the question, below are the genotypes and phenotypes possibilities:

aa = normal vision & no headache

Aa = normal vision & no headache

AA = blindness & headache

                                                                      Male                       Female

                                                                        Aa                            aa

Possible genotypes of progeny:            Aa        Aa           aa         aa

So it is clear that out of the 4 probable children, 2 with 'genotype aa' will have normal vision & no headache.

Mathematical expression is as under:

2/4 = 1/2 that means 50% progeny.

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How many bacterium can fit into an animal cell
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