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Fofino [41]
3 years ago
7

The variety of life across the biosphere is called...

Biology
2 answers:
Gala2k [10]3 years ago
5 0
The answer is A)Biodiversity
iVinArrow [24]3 years ago
4 0
<span>The variety of life across the biosphere is called BIODIVERSITY.</span>
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What is the primary purpose of cellular respiration?
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Process which by plants and animals break down sugar and turn it into energy.
Purpose is it provides cells with the energy they need to function.
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Approximately how long has the victim been dead if his body temperature was 78.6°F?
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Approximately 16 hours
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3 years ago
En un cruce entre peces naranjas y peces grises se obtiene una generación (f1) de 50% peces grises . Realice el cruce y explique
Ilya [14]

Answer:

Uno de los progenitores es heterocigoto para color naranja (Nn) y el otro parental es homocigoto recesivo para gris (nn). Al haber una cruza entre un homocigoto recesivo y un heterocigoto, la 50% de la progenie expresa color naranja (Nn), mientras que el otro 50% expresa color gris (nn).

Explanation:

<u>Datos disponibles:</u>

  • Cruce entre peces naranjas y peces grises
  • 50% de la F1 son peces grises
  • Naranja dominante sobre gris

Podemos nombrar el alelo dominante para color naranja <em>N</em>, y al alelo recesivo  para color gris <em>n</em>.

Para que en un cruce entre dos fenotipos distintos, el 50% de la primer camada exprese uno de estos fenotipos, entonces uno de los parentales debe ser heterocigoto, mientras que el otro parental debe ser homocigoto recesivo. De esta forma 50% de la primera generación expresara uno de los fenotipos, mientras que el otro 50% expresará el otro fenotipo.

Supongamos que uno de los parentales lleva el genotipo <em>Nn</em>, y el otro parental es <em>nn</em>.

Cruce:

Parental)      Nn    x     nn

Gametas)   N    n       n    n

Fenotipos) Naranja     Gris

Cuadro de Punnett)      N           n

                            n       Nn         nn

                            n       Nn         nn

F1)  2/4 = 1/2 = 50% de la progenie tendrá genotipo heterocigoto, Nn

     2/4 = 1/2 = 50% de la progenie tendrá genotipo homocigota recesivo,    

     nn

     50% de la progenie será color naranja (Nn)

     50% de la progenie será color gris (nn)

               

3 0
3 years ago
Name the membrane transport process by which glucose moves from the extracellular fluid into cells.
nirvana33 [79]

Answer:

Facilitated diffusion

4 0
4 years ago
Read 2 more answers
___ occurs when molecules of the same substance are attracted to each other.
Vera_Pavlovna [14]
Cohesion occurs when molecules of the same substance are attracted to each other.

Hope this helps!
7 0
3 years ago
Read 2 more answers
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