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Veseljchak [2.6K]
2 years ago
14

What are the 3 main parts of the

Biology
1 answer:
solniwko [45]2 years ago
3 0

Answer:

Hormones, Cell receptor and glands

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Un laboratorio que produce una fórmula para matar piojos recibió muchas quejas de parte de sus
Rom4ik [11]

Answer:

Es probable que a través del tiempo la población de piojos también se vuelva resistente al segundo pijojicida. Los piojos resistentes se generan por un proceso de selección natural  

Explanation:

La evolución es el proceso mediante el cual los organismos cambian (evolucionan) con el tiempo con el fin de adaptarse a sus condiciones ambientales. La selección natural opera seleccionando aquellos individuos mejor adaptados al ambiente en el cual cada individuo se desarrolla. Los individuos adaptativamente superiores poseen más chances de sobrevivir y de reproducirse, trasmitiendo de este modo sus genes a la descendencia. Las mutaciones representan la fuente principal de variabilidad genética en la forma de nuevos alelos y genes. Las mutaciones que son beneficiosas y confieren una ventaja adaptativa son seleccionadas por selección natural. En este caso, la resistencia al primer piojicida se debió a la aparición de una o más mutaciones las cuales confirieron resistencia al primer compuesto. Con el tiempo, la frecuencia de los individuos portadores de mutaciones beneficiosas en la población de piojos fue incrementándose paulatinamente (como resultado del proceso de selección natural). Es muy probable que este proceso evolutivo también se repita con el segundo piojicida.

4 0
3 years ago
A beaker contains two solutions of salt dissolved in water. The two solutions have different concentrations (measured by molarit
mihalych1998 [28]

Answer:

c) There will be a net movement of salt from side B to side A

Explanation:

According to the given information, the solution at side A is hypotonic to the solution at side B. The separating membrane is permeable to salt and would allow the movement of salt from the hypertonic side B to the hypotonic side A. Transport of substances down their concentration gradient is a passive movement and occurs from the region of higher concentration of the substance to that of its lower concentration.

6 0
3 years ago
Find the circumference of the circle. Round to the nearest tenth. the circle is 26cm
Valentin [98]

Answer:

81.64

Explanation:

pie x diameter = circumference

5 0
3 years ago
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After gram staining your unknown bacteria, you look through the microscope and observe that your bacteria is circular shaped and
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<span>Staphylococcus = "staphylo" meaning clusters and "cocci" meaning circular</span>
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3 years ago
A new and effective antibiotic becomes widely used for a particular species of bacteria. After some time, an antibiotic-resistan
s2008m [1.1K]
Antibiotic resistance happens when an antibiotic lost its ability in controlling or killing bacterial growth. At this moment the bacteria are already resistant to the antibiotic and are multiplying even though the drug is present. This is a natural phenomenon.
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3 years ago
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