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yawa3891 [41]
3 years ago
13

Use the information in the paragraph below to answer the following question. In a small pond, green algae grows near the surface

of the water to the depth that light penetrates. Algae need the light to photosynthesize. Tadpoles and small fish feed on the algae. Bigger fish and turtles feed on the tadpoles and smaller fish. When the organisms die, they fall to the bottom of the pond where bacteria and fungi decompose their bodies. Which organisms are producers?
Biology
1 answer:
kondor19780726 [428]3 years ago
7 0
The Algae. Unless you want to get into the microorganisms that contribute to the algae's growth.
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Differentiate Between Traditional Biotechnology and Modern Biotechnology​
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Traditional biotech involves use of natural organisms to create or modify food or other useful products for human use, while modern biotech involves manipulation of genes and living tissues in a controlled environment to generate new tissue.

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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)

               

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What do food molecules react with during cellular respiration?
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Explanation:

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A more clear understanding of the world around us.

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