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Nat2105 [25]
3 years ago
15

Which of the following will occasionally produce a duplicate gene?

Biology
2 answers:
lbvjy [14]3 years ago
8 0

b/<span>Crossing-over during meiosis</span>
In-s [12.5K]3 years ago
4 0
<span>Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Basically one chromosome in the pair gets extra DNA.</span>
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3 years ago
How many groups are in the modem periodic table
sweet [91]

Answer:

The correct answer is

18

Groups of the periodic table: The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups.

Hope this helps!

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7 0
3 years ago
How did sir francis believe the basic laws of science should be determined
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3 years ago
Dendrites:
Anuta_ua [19.1K]
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3 0
4 years ago
QUE SON LA BIOMOLECULAS​
DIA [1.3K]

Son consideradas biomoléculas aquellas moléculas que forman parte de los organismos vivos.  

Las moléculas son las unidades físicas de la materia, que se forman a partir de la unión de dos o más átomos agrupados a través de enlaces químicos.

Las biomoléculas se clasifican en inorgánicas u orgánicas.

• Las biomoléculas inorgánicas se encuentran ampliamente en la atmósfera. El agua, algunas sales como el cloruro de sodio, y gases como el oxígeno, son ejemplos de biomoléculas inorgánicas.  

• A las moléculas como azúcares, proteínas, combustibles, entre otras, las cuáles contienen átomos de carbono, hidrógeno, oxígeno y a veces nitrógeno se les llama moléculas orgánicas.

Cuando las moléculas orgánicas forman parte de la materia viva, se les conoce como biomoléculas orgánicas, las cuales incluyen fundamentalmente glúcidos, lípidos, proteínas y ácidos nucleicos.

Por lo tanto, podemos concluir que las moléculas (compuestos que se forman a partir de los elementos químicos) que se encuentran formando los seres vivos se conocen como biomoléculas y se clasifican en inorgánicas u orgánicas.  

Aprende más acerca de las biomoleculas aquí: brainly.com/question/24345880            

5 0
3 years ago
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