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fgiga [73]
3 years ago
8

An atom ability to undergo chemical reactions is determined by its

Biology
2 answers:
Inessa05 [86]3 years ago
7 0

An atom's ability to undergo chemical reactions is determined by its outermost electrons. Hope this helps!

vlabodo [156]3 years ago
3 0

The atoms and molecules produced by the reaction are called products. This causes the atoms to be rearranged into new substances.

The answer:

An atom's ability to undergo chemical reactions is determined by its outermost electrons.

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SashulF [63]

Answer:

Mary Mallon (September 23, 1869 – November 11, 1938), also known as Typhoid Mary, was an Irish-born cook believed to have infected 53 people with typhoid fever, three of whom died, and the first person in the United States identified as an asymptomatic carrier of the disease pathogen, Salmonella typhi.

4 0
2 years ago
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Please help I got this wrong and I don't understand I need help
OlgaM077 [116]

Answer:

If it´s not A then choose C

Explanation

If they were land animal and could not swim then the only logical reasoning would be that the two pieces of land drifted apart from each other and the fossils were in between them and that´s why they ended up in the ocean.

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2 years ago
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How could the flood have been responsible for the formation of fossils?
iVinArrow [24]
The Biblical flood would have caused the death of all life on earth, except for those on the arc, which would have resulted in fossils that are now found. Fossils being found in different layers of rocks could have been a result of how they settled as the waters receded.
7 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

Explanation: DNA fingerprinting technique is a laboratory technique used by geneticists.it entails placing of DNA samples into wells,these wells are then placed in a slab of gels and thereafter passing a current through the gel.This is done to ascertain the uniqueness of a DNA pattern and thus be able to differentiate people of same species.

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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2 years ago
In the process of photosynthesis, plant cells take in water (H2O) and carbon dioxide (CO2) and release oxygen (O2). How is this
zimovet [89]

In photosynthesis, ATP is not needed. However, in aerobic respiration, ATP is required.

7 0
2 years ago
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