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Natasha2012 [34]
3 years ago
14

Which of the following shows the correctly transcribed mRNA for the DNA strand below?

Biology
1 answer:
max2010maxim [7]3 years ago
4 0

Explanation:

your answer would be GAC.

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Some have speculated that the origin of life occurred at geothermal vents. amino acids can form there. compared to the amino aci
cluponka [151]

There are a number of amino acids that have formed under certain environmental conditions if the required elements are present and the energy conditions ar compatible with chemical assembly. These conditions have also allegedly formed amino acids on meteors, asteroids and comets.


But, amino acids are a very minor component of more complex biochemical assemblies required for life. Pentose sugars are also required, which form under different environmental conditions than amino acids. More importantly, only left-handed homochiral amino acids and right-handed homochiral sugars can form functioning biochemical assemblies that are viable in an organism. But, natural conditions, like hydrothermal vents only produce racemic versions of sugars and acids, meaning they are always approx. 50% left and right handed. This is fatal to forming viable biochemical assemblies.


Further, it is not possible for all of the 20+ homochiral amino acids needed for a living organism to form naturally. The only ones found have been the simpler amino acids. Also, the 4 critical nucleotide amino acids, C, G, A, T, do not form naturally, are not homochiral, nor in the right proportions.


The geo/hydrothermal vent conjecture is nonsensical. These are open systems, susceptible to currents, mineral contamination, salinity, ph, and temperature, making them a totally unacceptable environment for the precise and exact placement of elements to assemble to form life.

3 0
2 years ago
Salivary amylase is an enzyme that breaks down starch. The optimum or best pH for this reaction is 6.7. Which of the following w
zzz [600]

Answer:

:-) maintaining the pH of the reaction at 6.7

Explanation:

hope this helps

7 0
3 years ago
Which two of the organisms shown below are most closely related? A) borago officnalis and Primula officnals
S_A_V [24]

Answer:

if same question on ed

its b

6 0
3 years ago
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Where is testosterone produced?<br>1-the thyroid gland<br>2-the testes<br>3- the ovaries<br><br>​
Ne4ueva [31]
I think the testes.
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2 years ago
This key element is an essential part of amino acids (proteins). Identify this element. How does this element move through the s
JulijaS [17]

Answer:

I believe it might be carbon cycle? I'm not 100% sure

7 0
2 years ago
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