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nikitadnepr [17]
3 years ago
7

Which description gives the steps for creating hydroelectric power?

Biology
1 answer:
ANTONII [103]3 years ago
7 0

Answer:

the answer is A

Explanation:

i took this test and i got 100% on it so trust me

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You study two regions of the moon. region 1 is densely cratered. region 2 is mostly smooth, with just a few craters. what can yo
BabaBlast [244]
I would conclude that Region 1 is an older portion of the surface than region 2. 
The amount of clatering is usually an indication of the age of a geological surface; the more craters, the older the surface, because if the surface is young there hasn't been time for many craters to form. Therefore, Earth has a relatively young surface because it has few craters. This is because the Earth is geologically active, with plate tectonics and erosion having obliterated most craters from an earlier epoch. The surface of the moon on the other hand is much older with much more clatering. Additionally, different parts of the moon exhibit different amounts of clatering and thus are of different ages. 
8 0
3 years ago
What correctly shows the stages of cell division in plant body cells?
katrin [286]

Answer:

Please show the picture

8 0
3 years ago
For some time it was not clear whether lac repressor inhibits lac operon transcription by inhibiting the binding of RNA polymera
Svetlanka [38]

Answer:

True.

Explanation:

The lac repressor is a molecule that is part of the regulation of genes to metabolize lactose to some bacteria, including Escherichia coli. Bacteria need to metabolize lactose to provide energy to your body, in which case the lac repressor acts as a lactose detector, preventing the genes responsible for lactose metabolism proteins from being activated unnecessarily, thereby preventing lactose digestion. The lac repressor has the opposite function to the lac operon, which stimulates lactose digestion.

However, for some time, it was unclear whether lac repressor inhibits lac operon transcription by inhibiting RNA polymerase binding to its promoter or allowing transcription to begin, but blocking elongation after the bound repressor site.

It is now recognized that lac repressor paralyzes enzyme production in the absence of lactose, and catabolic activator protein (CAP), which aids in the production of glucose in the medium.

7 0
4 years ago
Qué tipo de anomalía cromosómica es el síndrome de down y Cómo se manifiesta? ¿Qué tipo de anomalía cromosómica es el síndrome d
sashaice [31]

Answer:

El síndrome de Down es el resultado de un niño nacido con un cromosoma adicional agregado al número esperado de cromosomas (generalmente destinado a ser 46).

El síndrome de Angelman se produce cuando un niño nace con una mutación en el 15º cromosoma heredado de los padres.

Explanation:

En el síndrome de Down, se agrega un cromosoma adicional al complemento de cromosomas que un niño debe heredar de sus padres. Se supone que un niño tiene un complemento de 46 cromosomas (23 cada uno) de ambos padres. Una vez que hay un aumento en este número, se establece el síndrome de down. Es una condición cromosómica común. Puede manifestarse como una trisomía, causada por la no disyunción durante la división celular, lo que resulta en 3 copias del cromosoma 21 en lugar de 2 copias, mosaicismo, donde una mezcla de células se clasifican en 2 grupos que contienen un complemento completo de 46 cromosomas y el otro un el cromosoma adicional lo hace 47 y la translocación ocurre cuando un cromosoma 21 adicional o parte del 21 se une al cromosoma 14. Los niños generalmente tienen cabezas y orejas pequeñas, cuellos cortos, caras planas, etc.

En el síndrome de Angelman, el cerebro se ve afectado en gran medida, debido al efecto de la mutación en el sistema nervioso. La pérdida de la función en el 15º cromosoma es responsable del síndrome de Angelman, que resulta en la incapacidad del niño para hablar, mantener el equilibrio, moverse, un desarrollo deficiente tanto física como intelectualmente.

5 0
3 years ago
If 2n=8 how many chromosomes do the organism's gametes contain
fenix001 [56]
4 i guess........................
5 0
4 years ago
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