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inna [77]
3 years ago
10

According to the second law of thermodynamics what happens to the energy we consume as food ?

Biology
2 answers:
PolarNik [594]3 years ago
8 0
We store it as stored chemical energy
Akimi4 [234]3 years ago
4 0

Answer:

Part of energy is stored as ATP and rest is lost as "unusable form", that is, metabolic heat.

Explanation:

According to the second law of thermodynamics, none of the energy transformation processes is 100% efficient and part of the energy is always converted into unusable form to increase the entropy of the system or surroundings. Ingestion and digestion of food into simpler elements followed by the use of these simpler nutrients for energy production stores part of energy into ATP. However, part of the energy of nutrients is converted into metabolic heat. The metabolic heat is an unusable form of energy.

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Answer please I will give points
Troyanec [42]

Answer:

A

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6 0
2 years ago
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How many americans over the age of 12 are estimated to be infected with the human papilloma virus?
11111nata11111 [884]

According to some research it is estimated that about 20% of americans of the age of 12 are infected with the human papilloma virus.

Hope it helped,

Happy homework/ study/ exam!

6 0
2 years ago
The elephants represented in lanes 3 and 5 could have been a match to the ivory sample if you failed to amplify one allele in ei
olga_2 [115]

About the question:

I failed to find the result of the PCR / electrophoresis. However, I will try to explain when to still consider a sample, and when to exclude it.

Answer:

Probably elephants 1, 2, 4, and 6 exposed a pattern of lines that differed in most alleles from the ivory´s pattern. So they were considered to be different and, hence, excluded. However, elephants 3 and 5 only were different in one allele, which might be due to the amplification failure. In these last situations, the experiment must be run again, and include many markers.

Explanation:

The genetic profile is the series of alleles, characteristic of each individual, concerning a series of DNA fragments.

Once genetic profiles are obtained by using PCR/electrophoresis, they must be subjected to interpretation. The researcher must compare profiles to find concordance between individuals or the lack of it.

In the exposed example, probably we have a profile of the ivory sample, and we need to find out to what individual or population it belongs to. So we need to compare the pattern of bands of the different lanes with the ivory´s pattern of bands.

In resumed terms, if the ivory´s patterns completely match with another lane pattern, then this is the individuals or population to whom it belongs the ivory. However, if they do not match, we need to exclude this individual.

But this is not as easy as it looks like. Sometimes it is difficult to interpret the results because bands are not so clear, and sometimes there are failures during amplification, as said before in the statement of the problem.

In these situations, what you need to do is look for the lanes that match the most with the ivory one and discard those that differ the most. These last patterns probably belong to a different animal or population, that why they can be excluded. Individuals suspected of being the same as the individual understudy or belonging to the same population, must be subducted to a repetition of the study. Also, the use of several markers in the study increases the matches chances.

So, in the exposed example, if the amplification fails in one allele, elephants 3 and 5 could be a match to the ivory sample, probably because all the other alleles do match. You can only exclude them if, after the experiment repetition, the involved allele is still different. On the other hand, you can eliminate the elephants 1, 2, 4, and 6 because their pattern bands are significantly different from the ivory´s patterns, so you do not even need to repeat the experiment.

7 0
2 years ago
What is the best explanation scientists have been able to come up with for the appearance of Ostrich-like birds in different con
mina [271]

B is the answer

Explanation:

3 0
3 years ago
The Earth’s crust is divided into large sections like puzzle pieces called plates. The plates move due to uneven heating in the
Brut [27]

Answer:

This movement is called plate motion, or tectonic shift

Explanation:

3 0
2 years ago
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