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My name is Ann [436]
3 years ago
8

How is a scientific theory developed?

Biology
1 answer:
nydimaria [60]3 years ago
4 0

A scientific theory developed by many different experiments are performed and repeated

Answer: Option D

<u>Explanation:</u>

Hypothesis is an experimental analysis where it is not a perfectly proven fact but a guess due to continuous observation over the years. Hypothesis is the foundation for further discoveries and theories.

Theories are based on the group of hypothesis. Theories are not fixed based to prove on the hypothesis, if any alterations are found they repeat it with more innovative ideas. Over the years continuous and repeated experiments are conducted on the same. Theory is an explanation that is given for the hypothesis by conducting various experiments and continuous observation time and again to prove it.

A law is a proved theory. It is more of mathematical derivations and calculations with precision. A 100% proved theory after observation only can be considered as a law.

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The right option is ; They destroy pathogens that enter the wound  

White blood cells will prevent bacteria on the glass from infecting her blood by destroying the bacteria.

White blood cells are the cells of the immune system that protects the body against infectious disease and pathogens. White blood cells are present in every part of the body including the blood. White blood cells encompass any pathogens in the blood, engulf and break them down so as to destroy them .


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3 years ago
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Genrish500 [490]

Answer:Homeostasis

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8 0
3 years ago
Which DNA fingering technique examines the length variation of DNA repeat sequences in human DNA?
DiKsa [7]

Answer: The question is incorrect, below is the correct question

Which DNA FINGERPRINTING technique examines the length variation of DNA repeat sequences in human DNA?

The correct answer to the question is option D

mtDNA (mitochondrial DNA) analysis

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There are several methods of DNA fingerprinting as outlined in the options given with the question.

In mtDNA (mitochondrial DNA) analysis,The Genetic samples are extracted from the biological materials, these samples extracted are total genomic DNA like hair,tooth or samples of blood, Several copies of these genomic DNA are then produced using a polymerase chain reaction and flanking primers inorder to examines the length variation of DNA repeat sequences in human DNA.

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The endocrine system produces which type of responses?
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Example of homeotosis
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