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Airida [17]
4 years ago
11

A diagram of the digestive system is shown below.

Biology
1 answer:
Ostrovityanka [42]4 years ago
4 0

Answer: A. To break down food into nutrients that can be circulated around the body. :)

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How are nutrients passed into the bodys tissues from the blood in the capillaries
fiasKO [112]
The blood in the capillaries is passed into the tissues through diffusion i.e glucose down their concentration gradient from source(higher conc) to sink(low conc)
7 0
4 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
Which of the following characteristics of a watershed would act to reduce erosion
pochemuha
Soil with high porosity<span>
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6 0
3 years ago
What are the stages in the cell cycle?
Valentin [98]
Ä Quick Google search shall answer your question. I honestly forgot so yea

3 0
3 years ago
O Excretory System 4. The allows us to breathe, digest food, and react to stimuli by regulating the functions of our organs. (10
Lostsunrise [7]

Answer:

The Nervous System.

Explanation:

The nervous system's job is to help in receiving information about the environment around us and generate responses to that information (a.k.a homeostasis). The nervous system can be divided into regions that are responsible for sensation (sensory functions) and for the response (motor functions).

Hope this helps!

5 0
4 years ago
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