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marysya [2.9K]
3 years ago
11

Which one of the following is a microbe

Biology
1 answer:
Sergio [31]3 years ago
5 0
D is the answer to the question
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Oxidising agents *
NNADVOKAT [17]

Answer:

Option A. are mostly non-metals.

Explanation:

Oxidising agents are mostly non-metals because non metals gains electron from the metal during chemical bond and we know that oxidising agent is electron accepter not donar. For example, Sodium is a metal react with chlorine which is a non-metal so the sodium losses electron and this electron is gain by chlorine atom forming sodium chloride. In this example chlorine is a non-metal which gains electron.

8 0
3 years ago
If narwhals went extinct or was removed from their habitat, how would that impact its food web? Please provide resources that yo
ella [17]
Do you know what narwhals are?

5 0
3 years ago
What is the term for term for existing in or produced by the sea ?
Vladimir [108]

Answer:

See synonyms for: marine / marines on Thesaurus.com. Elementary Level. adjective. of or relating to the sea; existing in or produced by the sea: marine vegetation. pertaining to navigation or shipping; nautical; naval; maritime.

4 0
3 years ago
What provides an explanation for the presence of mitochondria and chloroplasts in present day cells?
Sav [38]
The general theory is that mitochondria and chloroplasts began initially as separate cells that were "eaten" by larger cells, but not digested and simply passed on due to their advantages.<span />
3 0
3 years ago
In 1953, the scientists James Watson and Francis Crick published their landmark findings on the structure of DNA. Watson and Cri
Digiron [165]

Answer:

The correct selection of answers to the question: Identify the pieces of evidence describing the features of DNA that Watson and Crick used to determine the structure of DNA, would be:

C: The two chains are parallel, both running in a 5´ to 3´ direction

D: A purine base forms hydrogen bonds to pair with a pyrimidine base located on the opposite DNA strand. Specifically, A pairs with T, and C pairs with G.

E: The sugar-phosphate backbones of each DNA helix run antiparallel to one another

F: The diameter of the DNA doube helix is 2 nm, with each purine-pyrimidine base pair spanning an equivalent distance between the two chains.

Explanation:

Although Watson´s and Crick´s research, and model of the DNA helix, became the breakthrough for science, as it visually presented the now known characteristics of DNA, this research was possible due to the way that these two researchers used previous information found by other scientist on the molecule, to finally build their model. All of the options that were selected were part of the research of several scientis, including Mendel, Rosalin Franklin, Linus Pauling, Maurice Wilkins, Oswald Avery and many others, who worked on different aspects of specimens and their specific characteristics, and which led them to discover that organisms possessed DNA, that this was the unit of information that directed all functions in living cells and how this DNA helix was chemically built to understand how it worked, and why it worked the way it did.

8 0
3 years ago
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