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Neko
2 days ago
11

What initiates an action potential on a muscle cell?

Biology
1 answer:
s2008m [1.6K]2 days ago
8 0
A change in membrane potential.
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Un jardinero cruzó dos plantas de flores rosadas, con la esperanza de obtener plantas con flores del mismo color. Su sorpresa fu
s2008m [1679]

Response:

Este es un ejemplo de dominancia incompleta. Se trata de un fenómeno genético que se manifiesta cuando un gen dominante no logra expresar su totalidad en el alelo recesivo en un alelo heterocigoto dominante.

Por ende, ambos rasgos se muestran, dando lugar a una fusión de los dos alelos para los colores (blanco y rojo). El alelo rojo dominante muestra dominio parcial sobre el alelo blanco recesivo, produciendo así el alelo completamente rosado.

Según la ley mendeliana, las dos flores rojas son heterocigóticas. Por lo tanto, las flores rojas dominantes heterocigóticas deben ser R. El alelo blanco es recesivo (rr) y es enmascarado por el R rojo,

Sin embargo, al cruzar los dos alelos heterocigotos rojos:

Los fenotipos derivan en forma de

RR, (1) rojo Rr Rr (2) rosa rr (1) Blanco.

Esto ocurre porque el alelo rojo dominante no era total / completamente dominante sobre el alelo recesivo blanco en ninguno de los casos, resultando en un alelo rosa (el tercer fenotipo)

4 0
3 days ago
In the experiment, you will determine whether having worms in the soil causes lima bean plants to grow more, less, or the same.
enyata [1788]
 determine<span> how earthworms<span> present in </span>soil<span> influence </span>plant development<span>.... this includes tomato, green </span>beans<span> and radish </span>plants<span>  in </span>soil<span> samples with</span> earthworms<span>,... For this </span>experiment<span>, the independent variable concerns </span>whether<span> or </span>not<span> the presence of </span>earthworms<span>...</span> </span>
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1 month ago
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Consider an animal cell in which motor proteins in the kinetochores normally pull the chromosomes along the kinetochore microtub
enyata [1788]

The proper response is "yes, yes, no" or "B, B, A".

Clarification:

In this hypothetical situation, an inhibitor obstructs the function of motor proteins in the kinetochore while still allowing the kinetochore to stay attached to the spindle. The animal cells treated with this inhibitor can elongate during mitosis, leading to the separation of sister chromatids, but the chromosomes will remain still instead of moving to the poles of the cell. The only action the inhibitor affects is the motor protein function, which is responsible for the movement of chromosomes to the poles during cell mitosis.

5 0
10 days ago
The leaves of most angiosperms are flat and have a large surface. This enables the plant to:
inysia [1669]
The correct option is A
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24 days ago
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imagine you have data on the jaw structure of hundreds of species, and information about what each species ate. How could you us
Tresset [1663]
shoot an irish spring green like flight Explanation: Imagine you possess data on the jaw structures of numerous species alongside information on their dietary habits. How could this knowledge help you ascertain the diet of a newly discovered species?
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