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Sav [38]
3 years ago
12

BRAINLIESTTT ASAP!

Biology
1 answer:
tangare [24]3 years ago
5 0

Answer:

Chlorophyll absorbs the light needed for photosynthesis.

Explanation:

Photosynthesis is the process where green plants manufacture their food. During photosynthesis, carbon dioxide combines with water in the presence of light energy from the sun to produce glucose and oxygen as a byproduct.

From the statements listed, chlorophyll does not combine with water. Chlorophyll is a pigment in plant that simply absorbs light energy from the sun  which is necessary for the process of photosynthesis. This makes photosynthesis a simple process in which light energy from the sun is transformed to chemical energy.

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Si un RNA mensajero (mRNA) esta formado por 700 nucleótidos, ¿puede ser posible que
alexgriva [62]

Answer:

Si, esto es posible ya que para llegar a su forma madura el ARN mensajero sufre un procesamiento conocido como empalme alternativo donde su longitud se reduce drásticamente mediante la eliminación de regiones no codificantes (intrones) presentes en el trascripto primario

Explanation:

En células eucariotas, la transcripción refiere al proceso donde un gen es usado como templado para generar un ARN mensajero (ARNm) inmaduro conocido como pre-ARNm, el cual contiene regiones cortas codificantes (exones) y regiones largas no codificantes (intrones). Durante el proceso de empalme alternativo, también conocido como <em>splicing</em> alternativo, este pre-ARNm sufre un procesamiento mediante el cual los intrones son eliminados y los exones son retenidos y empalmados, con lo cual el ARNm maduro final reduce drásticamente su longitud original. En el caso arriba descripto, una proteína con 70 aminoácidos resultaría de la traducción de un ARNm maduro que posee 210 bases nucloetídicas, ya que cada triplete de nucleótidos o 'codón' corresponde a un sólo aminoácido agregado a la cadena polipeptídica durante la síntesis proteica en los ribosomas.

7 0
3 years ago
30 points!
aleksandrvk [35]

Answer:

B

Explanation:

The repressor protein blocks the genes from making mRNA

4 0
3 years ago
Read 2 more answers
Some _____ become memory cells when exposed to an infection agent and, if they encounter the same antigen in the future, they ca
jasenka [17]

Answer: T cells and B cells

Explanation:

7 0
3 years ago
What di eukaryotes most likely evolve from?
otez555 [7]

Answer:

Prokaryotes.

Explanation:

Most of the Eukaryotes most likely to evolve from the Prokaryotes.  Prokaryotes are basically unicellular organisms that lack internal membrane-bound structures. So, they do not carry nucleus and generally have a single chromosome. Most of them have a cell wall outside  the plasma membrane, which is a thin layer of lipid that completely surrounds the cell.  Prokaryotes reproduce by binary fission method.

8 0
3 years ago
the mitochondria are found in the most eukaryotic cells. what do they convert the energy stored in food into and store it in the
Maksim231197 [3]

to make atp from enery

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