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lord [1]
3 years ago
8

El fenómeno que implica el movimiento de partículas a través de la membrana en contra de su gradiente de concentración, es decir

de un lugar de menor hacia otro de mayor concentración, y como consecuencia de ello se necesita el aporte de energía se llama
Biology
1 answer:
bazaltina [42]3 years ago
4 0

ami tellement désolé tellement je ne connais pas cette langue mais salut mon ami

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What enzyme is responsible for adding new nucleotides to the dna template strand?
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DNA polymerase adds deoxyribonucleotides to DNA template strand to form a new strand of DNA.
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3 years ago
An example of multiple allelism in humans is A) albinism. B) cystic fibrosis. C) ABO blood groups. D) sickle cell disease
Papessa [141]

The answer is C. The others have just one dominant and recessive allele.

6 0
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What one trait do only plants, algae and Cyanobacteria have in common?
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Cyanobacteria are oxygenic photosynthetic bacteria. They harvest the sun's energy, absorb carbon dioxide, and emit oxygen. Like plants and algae, cyanobacteria contain chlorophyll and convert carbon dioxide to sugar through carbon fixation. Unlike eukaryotic plants and algae, cyanobacteria are prokaryotic organisms.
8 0
2 years ago
WILL GIVE BRAINLIEST!!!!!!!!!
Scrat [10]

Answer: T

Explanation:Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.

3 0
3 years ago
In an analysis of the nucleotide composition of DNA, which of the following proportions will be found?
katrin [286]

Answer:

With respect to the composition of DNA, in an analysis it can be found that the proportions of nucleotides are A + C = G + T (option a).

Explanation:

The proportion of nucleotides in a DNA molecule can be established according to the sequence of these nucleotides on both complementary strands, since the purinic bases of one strand are complemented by the pyrimidinic bases of another:

  • <em>Adenine is complemented with Thymine A=T</em>
  • <em>Guanine is complemented with Cytosine G=C</em>

From this we can deduce that in a DNA molecule with two chains there will be the same amount of adenine and thymine, as well as the same number of guanine with respect to cytosine, so:

<em>     A + C = G + T</em>

An example of this would be a known DNA molecule (hypothetical), with 5 molecules of Adenine and 7 molecules of Guanine. In this case there are 5 Thymines, complementary with Adenine, and 7 Cytosines like Guanine:

<em>     A + C = G + T</em>

<em>     5 + 7 = 7 + 5</em>

6 0
3 years ago
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